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IAU Minor Planet Center

Minor Planet Center

MPEC 2009-M27 : COMET P/2009 L2 (YANG-GAO)

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.


Read MPEC 2009-M26


M.P.E.C. 2009-M27                                Issued 2009 June 23, 16:02 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                          COMET P/2009 L2 (YANG-GAO)

Observations:
    PK09L020  C2009 06 16.42374 18 16 38.47 -13 43 00.0          14.3 N EM027H10
    PK09L020  C2009 06 16.42671 18 16 38.58 -13 42 50.8          14.1 N EM027H10
    PK09L020  C2009 06 16.42944 18 16 38.62 -13 42 42.1          14.3 N EM027H10
    PK09L020  C2009 06 16.43199 18 16 38.66 -13 42 34.0          14.2 N EM027H10
    PK09L020  C2009 06 16.43485 18 16 38.72 -13 42 24.3          13.9 N EM027H10
    PK09L020  C2009 06 16.43721 18 16 38.70 -13 42 17.2          13.8 N EM027H10
    PK09L020  C2009 06 16.43957 18 16 38.81 -13 42 11.1          13.9 N EM027H10
    PK09L020  C2009 06 16.67498 18 16 47.68 -13 29 26.4                 EM027D25
    PK09L020  C2009 06 16.67757 18 16 47.70 -13 29 18.1                 EM027D25
    PK09L020  C2009 06 16.68081 18 16 47.79 -13 29 08.6                 EM027D25
    PK09L020  C2009 06 17.21281 18 17 05.01 -13 02 05.9          14.2 T EM027H10
    PK09L020  C2009 06 17.21608 18 17 05.12 -13 01 55.6                 EM027H10
    PK09L020  C2009 06 17.22139 18 17 05.25 -13 01 39.6                 EM027H10
    PK09L020  C2009 06 17.93592 18 17 25.71 -12 25 20.2          15.6 T EM027583
    PK09L020  C2009 06 17.93605 18 17 25.72 -12 25 19.8          15.5 T EM027583
    PK09L020  C2009 06 17.93647 18 17 25.71 -12 25 18.8          15.5 T EM027583
    PK09L020  C2009 06 17.93700 18 17 25.72 -12 25 17.1          15.5 T EM027583
    PK09L020  C2009 06 17.93877 18 17 25.77 -12 25 11.9          15.5 T EM027583
    PK09L020  C2009 06 17.93941 18 17 25.79 -12 25 10.0          15.5 T EM027583
    PK09L020  C2009 06 17.94066 18 17 25.81 -12 25 06.4          15.5 T EM027583
    PK09L020  C2009 06 17.94149 18 17 25.77 -12 25 03.8          15.5 T EM027583
    PK09L020  C2009 06 17.94190 18 17 25.86 -12 25 02.5          15.5 T EM027583
    PK09L020  C2009 06 17.94281 18 17 25.89 -12 24 59.6          15.5 T EM027583
    PK09L020  C2009 06 17.94323 18 17 25.87 -12 24 58.6          15.6 T EM027583
    PK09L020  C2009 06 17.94475 18 17 25.88 -12 24 54.0          15.5 T EM027583
    PK09L020  C2009 06 17.94517 18 17 25.91 -12 24 52.2          15.5 T EM027583
    PK09L020  C2009 06 17.94641 18 17 25.95 -12 24 50.2          15.2 N EM027B42
    PK09L020  C2009 06 17.94972 18 17 26.01 -12 24 39.5          15.6 N EM027B42
    PK09L020  C2009 06 17.95456 18 17 26.15 -12 24 25.2          15.7 N EM027B42
    PK09L020  C2009 06 18.66352 18 17 46.81 -11 48 52.7          15.5 N EM027D32
    PK09L020  C2009 06 18.66766 18 17 46.86 -11 48 39.1          15.6 N EM027D32
    PK09L020  C2009 06 18.67181 18 17 46.90 -11 48 27.6          15.8 N EM027D32
    PK09L020  C2009 06 18.67595 18 17 47.03 -11 48 15.6          15.8 N EM027D32
    PK09L020  C2009 06 18.68009 18 17 47.05 -11 48 03.8          15.6 N EM027D32
    PK09L020  C2009 06 18.68422 18 17 47.16 -11 47 50.6          15.4 N EM027D32
    PK09L020  C2009 06 18.68554 18 17 46.65 -11 47 18.7                 EM027D90
    PK09L020  C2009 06 18.68664 18 17 46.67 -11 47 15.5                 EM027D90
    PK09L020  C2009 06 18.68773 18 17 46.70 -11 47 12.3                 EM027D90
    PK09L020  C2009 06 18.69541 18 17 46.94 -11 46 48.8          13.2 N EM027D90
    PK09L020  C2009 06 18.72353 18 17 47.42 -11 45 55.4          13.0 T EM027349
    PK09L020  C2009 06 18.72627 18 17 47.51 -11 45 47.8                 EM027349
    PK09L020  C2009 06 18.90966 18 17 53.88 -11 36 48.8          13.5 N EM027A71
    PK09L020  C2009 06 18.91015 18 17 54.73 -11 36 38.4          14.3 N EM027J24
    PK09L020  C2009 06 18.91325 18 17 54.80 -11 36 29.1          14.2 N EM027J24
    PK09L020  C2009 06 18.91714 18 17 54.88 -11 36 17.5          14.2 N EM027J24
    PK09L020  C2009 06 18.91935 18 17 54.08 -11 36 20.2          13.5 N EM027A71
    PK09L020  C2009 06 18.92193 18 17 54.19 -11 36 11.7          14.1 N EM027235
    PK09L020  C2009 06 18.93531 18 17 54.42 -11 35 33.5          13.4 N EM027A71
    PK09L020  C2009 06 18.93738 18 17 54.47 -11 35 27.5          13.5 N EM027A71
    PK09L020  C2009 06 18.97899 18 17 55.65 -11 33 25.1          15.5 N EM027987
    PK09L020  C2009 06 18.98003 18 17 55.68 -11 33 21.2          15.4 N EM027987
    PK09L020  C2009 06 18.98145 18 17 55.73 -11 33 16.9          15.3 N EM027987
    PK09L020  C2009 06 18.98292 18 17 55.75 -11 33 12.6          15.3 N EM027987
    PK09L020  C2009 06 18.98447 18 17 55.79 -11 33 07.9          15.4 N EM027987
    PK09L020  C2009 06 19.00564 18 17 56.61 -11 32 01.9          14.1 N EM027J45
    PK09L020  C2009 06 19.01922 18 17 56.82 -11 31 21.3          14.1 N EM027J45
    PK09L020  C2009 06 19.31054 18 18 04.00 -11 17 06.3          14.5 N EM027H47
    PK09L020  C2009 06 19.31702 18 18 04.11 -11 16 47.2          14.4 N EM027H47
    PK09L020  C2009 06 19.32102 18 18 04.26 -11 16 36.4          14.7 N EM027H45
    PK09L020  C2009 06 19.32258 18 18 04.31 -11 16 31.9          14.7 N EM027H45
    PK09L020  C2009 06 19.32357 18 18 04.22 -11 16 28.1          14.3 N EM027H47
    PK09L020  C2009 06 19.32471 18 18 04.35 -11 16 25.7          14.9 N EM027H45
    PK09L020  C2009 06 19.32671 18 18 04.37 -11 16 19.8          14.8 N EM027H45
    PK09L020  C2009 06 19.32786 18 18 04.39 -11 16 16.4          14.8 N EM027H45
    PK09L020  C2009 06 19.32899 18 18 04.42 -11 16 13.1          12.9 T EM027H45
    PK09L020  C2009 06 19.33051 18 18 04.44 -11 16 08.7          12.8 T EM027H45
    PK09L020  C2009 06 19.67092 18 18 13.75 -10 59 39.6                 EM027900
    PK09L020  C2009 06 19.67806 18 18 13.88 -10 59 18.9          13.8 T EM027900
    PK09L020  C2009 06 19.88655 18 18 20.10 -10 49 21.6          15.9 N EM027A50
    PK09L020  C2009 06 19.89496 18 18 20.26 -10 48 57.0          15.8 N EM027A50
    PK09L020  C2009 06 19.91868 18 18 21.14 -10 47 47.6          15.5 T EM027B33
    PK09L020  C2009 06 19.92788 18 18 21.29 -10 47 20.7          15.8 T EM027B33
    PK09L020  C2009 06 19.95556 18 18 21.51 -10 46 04.2          15.2 T EM027583
    PK09L020  C2009 06 19.95587 18 18 21.54 -10 46 04.8          15.3 T EM027583
    PK09L020  C2009 06 19.95749 18 18 21.41 -10 45 56.7          15.2 T EM027583
    PK09L020  C2009 06 19.95790 18 18 21.42 -10 45 55.7          15.3 T EM027583
    PK09L020  C2009 06 19.97921 18 18 21.80 -10 44 54.2          15.6 T EM027583
    PK09L020  C2009 06 19.98111 18 18 21.85 -10 44 48.6          15.5 T EM027583
    PK09L020  C2009 06 19.98152 18 18 21.87 -10 44 47.4          15.6 T EM027583
    PK09L020  C2009 06 19.98990 18 18 22.49 -10 44 24.9          16.6 T EM027A21
    PK09L020  C2009 06 19.99134 18 18 22.50 -10 44 20.6          17.0 T EM027A21
    PK09L020  C2009 06 19.99327 18 18 22.54 -10 44 14.7          17.0 T EM027A21
    PK09L020  C2009 06 20.01679 18 18 23.52 -10 43 01.5          14.5 N EM027J47
    PK09L020  C2009 06 20.02871 18 18 23.72 -10 42 27.6          14.9 N EM027J47
    PK09L020  C2009 06 20.04239 18 18 23.94 -10 41 48.5          14.5 N EM027J47
    PK09L020  C2009 06 20.04718 18 18 24.02 -10 41 34.8          15.0 N EM027J47
    PK09L020  C2009 06 20.32827 18 18 30.64 -10 28 14.3          15.0 N EM027H47
    PK09L020  C2009 06 20.33362 18 18 30.73 -10 27 59.6          15.0 N EM027H47
    PK09L020  C2009 06 20.34064 18 18 30.84 -10 27 38.9          15.1 N EM027H47
    PK09L020  C2009 06 20.88154 18 18 45.80 -10 02 21.1          14.1 N EM027235
    PK09L020  C2009 06 20.88462 18 18 45.87 -10 02 12.3          14.9 T EM027A92
    PK09L020  C2009 06 20.89715 18 18 46.03 -10 01 35.0          14.6 T EM027A92
    PK09L020  C2009 06 20.91100 18 18 46.10 -10 00 57.7          14.7 T EM027A92
    PK09L020  C2009 06 20.94569 18 18 47.01 -09 59 17.1          16.0 N EM027B40
    PK09L020  C2009 06 20.95043 18 18 47.12 -09 59 05.3          16.0 N EM027B40
    PK09L020  C2009 06 20.98458 18 18 47.37 -09 57 32.5          15.5 T EM027583
    PK09L020  C2009 06 20.98505 18 18 47.36 -09 57 30.8          15.6 T EM027583
    PK09L020  C2009 06 20.99393 18 18 47.50 -09 57 05.9          15.7 T EM027583
    PK09L020  C2009 06 20.99429 18 18 47.52 -09 57 04.9          16.1 T EM027583
    PK09L020  C2009 06 20.99621 18 18 48.66 -09 56 54.7          14.2 N EM027J47
    PK09L020  C2009 06 21.00124 18 18 48.66 -09 56 40.7          14.9 N EM027J47
    PK09L020  C2009 06 21.00795 18 18 48.88 -09 56 21.5          14.5 N EM027J47
    PK09L020  C2009 06 21.03829 18 18 49.00 -09 55 00.3          14.4 N EM027J53
    PK09L020  C2009 06 21.03904 18 18 49.02 -09 54 58.0          14.4 N EM027J53
    PK09L020  C2009 06 21.04131 18 18 49.06 -09 54 51.7          14.4 N EM027J53
    PK09L020  C2009 06 21.09811 18 18 50.17 -09 52 11.5          14.7 T EM027J51
    PK09L020  C2009 06 21.10181 18 18 50.23 -09 52 01.2          14.7 T EM027J51
    PK09L020  C2009 06 21.10552 18 18 50.29 -09 51 50.7          14.7 T EM027J51
    PK09L020  C2009 06 21.26249 18 18 54.96 -09 44 38.1          14.7 N EM027H10
    PK09L020  C2009 06 21.26728 18 18 55.07 -09 44 25.1          14.7 N EM027H10
    PK09L020  C2009 06 21.27520 18 18 55.21 -09 44 02.9          14.6 N EM027H10
    PK09L020  C2009 06 21.28696 18 18 55.41 -09 43 30.4          14.7 N EM027H10
    PK09L020  C2009 06 21.29186 18 18 55.30 -09 43 19.7          16.3 T EM027704
    PK09L020  C2009 06 21.30183 18 18 55.13 -09 42 54.3          17.1 T EM027704
    PK09L020  C2009 06 21.30201 18 18 55.71 -09 42 49.5          14.0 T EM027H10
    PK09L020  C2009 06 21.30703 18 18 55.77 -09 42 35.6          14.3 T EM027H10
    PK09L020  C2009 06 21.31179 18 18 55.62 -09 42 22.5          16.2 T EM027704
    PK09L020  C2009 06 21.31218 18 18 55.69 -09 42 19.8          14.0 T EM027H10
    PK09L020  C2009 06 21.31721 18 18 55.90 -09 42 05.9          14.0 T EM027H10
    PK09L020  C2009 06 21.32133 18 18 55.60 -09 41 55.8          15.1 N EM027H45
    PK09L020  C2009 06 21.32175 18 18 55.85 -09 41 55.5          16.2 T EM027704
    PK09L020  C2009 06 21.32358 18 18 55.64 -09 41 49.4          15.1 N EM027H45
    PK09L020  C2009 06 21.32482 18 18 55.66 -09 41 46.0          15.1 N EM027H45
    PK09L020  C2009 06 21.32745 18 18 55.69 -09 41 38.8          15.0 N EM027H45
    PK09L020  C2009 06 21.33276 18 18 55.79 -09 41 24.3          15.1 N EM027H45
    PK09L020  C2009 06 21.33410 18 18 55.80 -09 41 20.5          14.4 T EM027H45
    PK09L020  C2009 06 21.33488 18 18 55.82 -09 41 18.3          14.4 T EM027H45
    PK09L020  C2009 06 21.40495 18 18 57.22 -09 38 04.5                 EM027H06
    PK09L020  C2009 06 21.40872 18 18 57.27 -09 37 54.2                 EM027H06
    PK09L020  C2009 06 21.41259 18 18 57.35 -09 37 43.2          13.3 N EM027H06
    PK09L020  C2009 06 21.69167 18 19 04.41 -09 25 00.7          13.2 T EM027349
    PK09L020  C2009 06 21.69340 18 19 04.43 -09 24 56.3                 EM027349
    PK09L020  C2009 06 21.69509 18 19 04.47 -09 24 51.8                 EM027349
    PK09L020  C2009 06 21.91959 18 19 11.11 -09 14 42.6          16.1 N EM027B49
    PK09L020  C2009 06 21.92402 18 19 11.18 -09 14 30.8          16.1 N EM027B49
    PK09L020  C2009 06 21.92878 18 19 11.24 -09 14 17.8          15.6 N EM027B49
    PK09L020  C2009 06 21.95273 18 19 11.43 -09 13 13.5          16.5 N EM027B33
    PK09L020  C2009 06 21.96285 18 19 11.60 -09 12 46.3          16.5 N EM027B33
    PK09L020  C2009 06 21.96519 18 19 11.96 -09 12 40.4          14.6 N EM027J59
    PK09L020  C2009 06 21.97819 18 19 12.15 -09 12 05.6          14.5 N EM027J59
    PK09L020  C2009 06 21.98819 18 19 12.31 -09 11 38.5          14.6 N EM027J59
    PK09L020  C2009 06 22.00091 18 19 12.54 -09 11 03.1          14.5 N EM027945
    PK09L020  C2009 06 22.00274 18 19 12.60 -09 10 58.4          14.5 N EM027945
    PK09L020  C2009 06 22.00686 18 19 12.64 -09 10 47.1          14.5 N EM027945
    PK09L020  C2009 06 22.00854 18 19 12.69 -09 10 42.5          14.5 N EM027945
    PK09L020  C2009 06 22.00992 18 19 12.72 -09 10 39.1          14.5 N EM027945
    PK09L020  C2009 06 22.22467 18 19 17.83 -09 00 59.6          15.2 N EM027850
    PK09L020  C2009 06 22.24709 18 19 18.15 -08 59 59.7          15.2 N EM027850
    PK09L020  C2009 06 22.25613 18 19 18.76 -08 59 33.8          14.9 N EM027H10
    PK09L020  C2009 06 22.26845 18 19 18.94 -08 59 01.6          15.0 N EM027H10
    PK09L020  C2009 06 22.27575 18 19 19.06 -08 58 42.3          14.9 N EM027H10
    PK09L020  C2009 06 22.28248 18 19 19.18 -08 58 24.6          15.0 N EM027H10
    PK09L020  C2009 06 22.87753 18 19 33.55 -08 32 08.2          14.9 N EM027213
    PK09L020  C2009 06 22.87927 18 19 33.57 -08 32 03.9          14.9 N EM027213
    PK09L020  C2009 06 22.88237 18 19 33.63 -08 31 55.4          14.9 N EM027213
    PK09L020  C2009 06 22.95755 18 19 34.71 -08 28 41.3                 EM027B96
    PK09L020  C2009 06 22.96207 18 19 35.09 -08 28 26.1          15.7 N EM027J28
    PK09L020  C2009 06 22.96370 18 19 34.81 -08 28 25.7                 EM027B96
    PK09L020  C2009 06 22.96433 18 19 35.11 -08 28 20.5          15.6 N EM027J28
    PK09L020  C2009 06 22.96433 18 19 35.36 -08 28 16.9          14.6 N EM027J47
    PK09L020  C2009 06 22.96881 18 19 34.90 -08 28 12.3                 EM027B96
    PK09L020  C2009 06 22.97070 18 19 35.47 -08 28 00.3          15.2 N EM027J47
    PK09L020  C2009 06 22.97391 18 19 35.02 -08 27 58.7                 EM027B96
    PK09L020  C2009 06 22.97469 18 19 35.56 -08 27 49.2          14.6 N EM027J47
    PK09L020  C2009 06 22.97975 18 19 35.08 -08 27 43.9          15.5 N EM027B96
    PK09L020  C2009 06 22.98117 18 19 35.67 -08 27 33.0          15.5 N EM027J51
    PK09L020  C2009 06 22.98927 18 19 35.78 -08 27 11.8          15.6 N EM027J51
    PK09L020  C2009 06 22.99724 18 19 35.88 -08 26 50.9          15.6 N EM027J51

Observer details:
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/10 Schmidt-Cassegrain + CCD.
235 CAST Observatory, Talmassons.  Observers R. Ligustri, M. Benvenuti.
    Measurer R. Ligustri.  0.35-m f/6 reflector + CCD.
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
583 Odessa-Mayaki.  Observers S. Kashuba, V. Kashuba, Yu. Gorbanev, S.
    Podlesnyak, A. Movchan, A. Klabukova, V. Derevyagin, R. Shepelenko,
    I. Shepelenko.  Measurer I. Stogneeva.  0.60-m f/8.0 Ritchey-Chretien
    + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, D. Torres,
    R. Kracke, G. Spitz, M. Blythe.  Measurer J. Stuart.  1.0-m f/2.15
    reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig, P. Kharel.
    0.30-m f/2.5 Schmidt-Cassegrain + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
945 Observatorio Monte Deva.  Observer J. R. Vidal.  0.36-m f/4.48
    Schmidt-Cassegrain + CCD.
987 Isle of Man Observatory, Foxdale.  Observer D. Storey.  0.4-m
    Schmidt-Cassegrain + CCD.
A21 Irmtraut.  Observer J. J. Mueller.  0.31-m f/4.8 reflector + CCD.
A50 Andrushivka Astronomical Observatory.  Observers Y. Ivashchenko,
    P. Kyrylenko.  0.6-m reflector + CCD.
A71 Stixendorf.  Observer M. Jaeger.  Measurer W. Vollmann.  0.20-m f/2.8
    reflector + CCD.
A92 Urseanu Observatory, Bucharest.  Observer A. Sonka.  0.30-m f/10
    Schmidt-Cassegrain + CCD.
B33 Libbiano Observatory, Peccioli.  Observers P. Bacci, R. Enzo, R. Emilio.
    Measurer P. Bacci.  0.5-m f/10 Ritchey-Chretien + CCD.
B40 Skylive Observatory, Catania.  Observers P. Camilleri, G. Sostero,
    E. Guido, E. Prosperi.  Measurer P. Camilleri.  0.30-m f/6.3 reflector
    + CCD.
B42 Vitebsk.  Observer V. Nevski.  0.3-m f/5.0 reflector + CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.25-m f/4 Newtonian
    reflector + CCD.
B96 Brixiis Observatory, Kruibeke.  Observer E. Bryssinck.  0.28-m f/10
    Schmidt-Cassegrain + CCD.
D25 Tzec Maun Observatory, Pingelly.  Observer A. Novichonok.  Measurer
    D. Chestnov.  0.18-m f/2.8 Newtonian reflector + CCD.
D32 JiangNanTianChi Observatory, Mt. Getianling.  Observers T. Chen, G.-T. Gao.
    Measurer T. Chen.  0.25-m f/7.6 Ritchey-Chretien + CCD.
D90 RAS Observatory, Moorook.  Observer E. Bryssinck.  0.25-m f/6
    Ritchey-Chretien + CCD.
H06 RAS Observatory, Mayhill.  Observer E. Bryssinck.  0.25-m f/3.4 hyperbolic
    astrograph + CCD.
H10 Tzec Maun Observatory, Mayhill.  Observers L. Elenin, A. Novichonok,
    J. Linder.  Measurers L. Elenin, D. Chestnov, J. Linder.  0.18-m f/2.8
    reflector + CCD, 0.18-m f/7.3 refractor + CCD, 0.41-m f/9 Ritchey-Chretien
    + CCD.
H45 Arkansas Sky Obs., Petit Jean Mountain South.  Observer P. C. Sherrod.
    0.51-m f/4.3 astrograph + CCD.
H47 Vicksburg.  Observer C. Bell.  0.3-m f/4.7 Schmidt-Cassegrain + CCD.
J24 Observatorio Altamira.  Observer J. F. Hernandez.  0.4-m f/10
    Schmidt-Cassegrain + CCD.
J28 Jaen.  Observer J. J. Martin.  0.20-m f/10 Schmidt-Cassegrain + CCD.
J45 Observatorio Montana Cabreja, Vega de San Mateo.  Observer F. A. Rodriguez
    R.  0.20-m f/4 reflector.
J47 Observatorio Nazaret.  Observer G. Muler.  0.30-m Schmidt-Cassegrain + CCD.
J51 Observatorio Atlante, Tenerife.  Observer J. A. Henriquez.  0.2-m f/9
    Cassegrain + CCD.
J53 Posadas.  Observer R. Benavides.  0.28-m f/5.0 Schmidt-Cassegrain + CCD.
J59 Observatorio Linceo, Santander.  Observer J. Temprano.  0.25-m f/3.3
    Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2009 L2 (Yang-Gao)
T 2009 May 21.718 TT                                    MPC
q   1.29644              (2000.0)            P               Q
n   0.154870       Peri.  346.920       -0.394234       +0.877254
a   3.43420        Node   259.311       -0.816098       -0.471207
e   0.62249        Incl.   16.183       -0.422568       +0.091600
P   6.36
From 307 observations 2009 June 15-22.

Ephemeris:
    P/2009 L2 (Yang-Gao)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 06 18    18 17.46   -12 21.8    0.327    1.336   166.7    10.1  13.8
2009 06 23    18 19.59   -08 26.5    0.344    1.352   164.7    11.4  14.0
2009 06 28    18 21.32   -05 06.7    0.366    1.369   161.8    13.4  14.2
2009 07 03    18 22.91   -02 22.9    0.392    1.389   158.5    15.5  14.4
2009 07 08    18 24.54   -00 13.0    0.422    1.411   155.3    17.6  14.6
2009 07 13    18 26.34   +01 26.3    0.455    1.435   152.1    19.4  14.9
2009 07 18    18 28.41   +02 38.8    0.491    1.460   149.1    21.0  15.1
2009 07 23    18 30.84   +03 28.5    0.531    1.487   146.2    22.3  15.3
2009 07 28    18 33.71   +03 59.5    0.573    1.515   143.4    23.5  15.6
2009 08 02    18 37.03   +04 15.5    0.619    1.544   140.8    24.6  15.8
2009 08 07    18 40.81   +04 19.6    0.667    1.575   138.1    25.5  16.1
2009 08 12    18 45.02   +04 14.5    0.718    1.606   135.5    26.2  16.3
2009 08 17    18 49.65   +04 02.4    0.772    1.639   132.9    26.9  16.6
2009 08 22    18 54.70   +03 45.3    0.829    1.672   130.4    27.4  16.8
2009 08 27    19 00.14   +03 24.9    0.888    1.706   127.8    27.9  17.1

Brian G. Marsden             (C) Copyright 2009 MPC           M.P.E.C. 2009-M27

Read MPEC 2009-M26

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