MPEC 2008-J59 : 2008 JN20
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M.P.E.C. 2008-J59 Issued 2008 May 11, 16:18 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
2008 JN20
Observations:
K08J20N* C2008 05 10.34205 17 20 41.24 +30 18 45.9 18.5 V EJ059703
K08J20N C2008 05 10.34947 17 20 41.56 +30 19 09.1 18.7 V EJ059703
K08J20N C2008 05 10.35691 17 20 41.89 +30 19 33.1 18.7 V EJ059703
K08J20N C2008 05 10.36440 17 20 42.25 +30 19 57.3 18.8 V EJ059703
K08J20N C2008 05 10.39217717 20 43.14 +30 21 22.3 19.1 V EJ059H55
K08J20N C2008 05 10.39588017 20 43.32 +30 21 34.0 19.1 V EJ059H55
K08J20N C2008 05 10.39957917 20 43.50 +30 21 45.7 19.1 V EJ059H55
K08J20N C2008 05 10.41261 17 20 44.54 +30 22 30.7 18.5 V EJ059703
K08J20N C2008 05 10.41333 17 20 44.55 +30 22 32.6 18.5 V EJ059703
K08J20N C2008 05 10.41403 17 20 44.61 +30 22 34.7 18.6 V EJ059703
K08J20N C2008 05 10.41473 17 20 44.61 +30 22 36.3 18.5 V EJ059703
K08J20N C2008 05 10.42239 17 20 45.04 +30 23 02.6 19.2 R EJ059854
K08J20N 4C2008 05 10.42324 17 20 46.18 +30 23 06.4 18.6 R EJ059F65
K08J20N C2008 05 10.42335 17 20 45.13 +30 23 04.2 19.0 R EJ059854
K08J20N C2008 05 10.42431 17 20 45.15 +30 23 07.2 19.0 R EJ059854
K08J20N 4C2008 05 10.42917 17 20 46.47 +30 23 25.5 18.7 R EJ059F65
K08J20N 4C2008 05 10.44910 17 20 47.44 +30 24 29.9 18.2 R EJ059F65
K08J20N C2008 05 10.44946 17 20 46.34 +30 24 27.0 18.5 V EJ059703
K08J20N C2008 05 10.45000 17 20 46.39 +30 24 29.4 18.7 V EJ059703
K08J20N C2008 05 10.45053 17 20 46.36 +30 24 30.8 18.7 V EJ059703
K08J20N C2008 05 10.45105 17 20 46.45 +30 24 32.5 18.6 V EJ059703
K08J20N C2008 05 10.59745 17 20 55.23 +30 32 39.7 18.5 R EJ059474
K08J20N C2008 05 10.59942 17 20 55.32 +30 32 47.0 18.5 R EJ059474
K08J20N C2008 05 10.60113 17 20 55.40 +30 32 52.4 18.4 R EJ059474
K08J20N C2008 05 10.60463 17 20 55.56 +30 33 04.1 18.1 R EJ059474
K08J20N C2008 05 10.89694 17 21 12.73 +30 48 13.5 18.8 EJ059B32
K08J20N C2008 05 10.89835 17 21 12.80 +30 48 18.1 18.9 R EJ059113
K08J20N C2008 05 10.89987 17 21 12.89 +30 48 23.2 19.0 R EJ059113
K08J20N C2008 05 10.90139 17 21 12.96 +30 48 28.2 19.0 R EJ059113
K08J20N C2008 05 10.90302 17 21 13.02 +30 48 33.6 18.8 EJ059B32
K08J20N C2008 05 10.91506 17 21 13.82 +30 49 13.3 19.0 V EJ059151
K08J20N C2008 05 10.91624 17 21 13.87 +30 49 17.6 19.0 V EJ059151
K08J20N C2008 05 10.91741 17 21 13.92 +30 49 21.8 18.8 V EJ059151
K08J20N C2008 05 10.91857 17 21 13.98 +30 49 25.0 19.1 V EJ059151
K08J20N C2008 05 10.91975 17 21 14.06 +30 49 28.5 19.1 V EJ059151
K08J20N C2008 05 10.92091 17 21 14.09 +30 49 32.4 19.2 V EJ059151
K08J20N C2008 05 10.92208 17 21 14.12 +30 49 36.4 18.9 V EJ059151
K08J20N C2008 05 10.92963 17 21 14.59 +30 50 01.2 18.6 V EJ059A13
K08J20N C2008 05 10.93243 17 21 14.74 +30 50 10.4 18.7 V EJ059A13
K08J20N C2008 05 10.94678 17 21 15.46 +30 50 57.3 18.7 V EJ059A13
K08J20N C2008 05 10.94965 17 21 15.62 +30 51 06.8 18.7 V EJ059A13
K08J20N C2008 05 10.96263 17 21 16.09 +30 51 48.7 18.3 R EJ059118
K08J20N C2008 05 10.97187 17 21 16.54 +30 52 18.3 18.4 R EJ059118
K08J20N C2008 05 10.97550 17 21 16.73 +30 52 30.3 18.4 R EJ059118
K08J20N C2008 05 10.98012 17 21 16.98 +30 52 45.5 18.4 R EJ059118
K08J20N C2008 05 10.98277 17 21 17.26 +30 52 55.6 18.5 V EJ059B33
K08J20N C2008 05 10.98838 17 21 17.54 +30 53 13.6 18.4 V EJ059B33
K08J20N C2008 05 10.99339 17 21 17.77 +30 53 30.2 18.9 V EJ059B33
K08J20N C2008 05 11.02282 17 21 19.35 +30 55 03.4 18.0 R EJ059196
K08J20N C2008 05 11.03800 17 21 20.06 +30 55 52.7 17.9 R EJ059196
K08J20N C2008 05 11.06836 17 21 21.59 +30 57 31.5 17.9 R EJ059196
K08J20N C2008 05 11.08286 17 21 22.34 +30 58 19.1 18.1 R EJ059196
K08J20N C2008 05 11.37912 17 21 39.20 +31 14 28.7 18.7 R EJ059682
K08J20N C2008 05 11.40107 17 21 40.36 +31 15 40.5 18.8 R EJ059682
K08J20N C2008 05 11.59687 17 21 51.56 +31 26 42.5 18.8 R EJ059474
K08J20N C2008 05 11.59826 17 21 51.61 +31 26 46.5 18.6 R EJ059474
K08J20N C2008 05 11.59965 17 21 51.72 +31 26 52.4 18.8 R EJ059474
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/5
reflector + CCD.
118 Modra. Observers S. Gajdos, J. Vilagi. 0.6-m f/5.5 reflector + CCD.
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.9
Hypergraph + CCD.
196 Homburg-Erbach. Observer W. Wiedemann. 0.20-m f/5 Schmidt-Cassegrain
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
682 Kanab. Observer E. Sheridan.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A13 Observatoire Naef, Marly. Observer P. Kocher. 0.5-m f/3.3 Hypergraph
+ CCD.
B32 Gelenau. Observer M. Behnke. 0.30-m f/4 reflector + CCD.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, E. Rossi, E. R.
Measurer P. Bacci. 0.5-m f/10 Ritchey-Chretien + CCD.
F65 Haleakala-Faulkes Telescope North. Observer J. Bedient. 2.0-m
Ritchey-Chretien + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.61-m f/4.0 astrograph + CCD.
Orbital elements:
2008 JN20 Earth MOID = 0.2108 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 325.42477 (2000.0) P Q
n 0.45402471 Peri. 207.98096 +0.93115387 +0.30330146
a 1.6765495 Node 132.84387 -0.26121108 +0.94213702
e 0.5940918 Incl. 16.02338 -0.25440371 +0.14277978
P 2.17 H 18.4 G 0.15 U 9
Residuals in seconds of arc
080510 703 0.5+ 0.5+ 080510 703 0.5- 0.1+ 080510 A13 0.3+ 0.2+
080510 703 0.0 0.0 080510 703 0.3+ 0.1+ 080510 A13 0.0 0.3+
080510 703 0.4- 0.2+ 080510 474 0.4+ 0.9- 080510 A13 0.2+ 0.4+
080510 703 0.4- 0.5+ 080510 474 0.3+ 0.1+ 080510 118 0.1- 0.2-
080510 H55 0.0 0.0 080510 474 0.2+ 0.0 080510 118 0.3- 0.6-
080510 H55 0.0 0.1- 080510 474 0.1+ 0.5+ 080510 118 0.2- 0.4-
080510 H55 0.0 0.1- 080510 B32 0.1- 0.4- 080510 118 0.1+ 0.2-
080510 703 0.5- 0.3+ 080510 113 0.1- 0.4- 080510 B33 0.0 0.0
080510 703 0.8- 0.0 080510 113 0.0 0.2- 080510 B33 0.0 0.3-
080510 703 0.5- 0.2- 080510 113 0.1- 0.2- 080510 B33 0.2- 0.0
080510 703 0.9- 0.8- 080510 B32 0.5- 0.1- 080511 196 0.9+ 0.4-
080510 854 0.1- 1.1+ 080510 151 0.4+ 0.2- 080511 196 0.3+ 0.4-
080510 F65 0.2+ 0.2- 080510 151 0.3+ 0.3+ 080511 196 0.4+ 0.1-
080510 854 0.4+ 0.3- 080510 151 0.2+ 0.7+ 080511 196 0.8+ 0.6+
080510 854 0.1+ 0.4- 080510 151 0.1+ 0.1+ 080511 682 1.0- 1.4+
080510 F65 0.3+ 0.2- 080510 151 0.4+ 0.3- 080511 682 0.2+ 1.4+
080510 F65 0.4+ 0.1+ 080510 151 0.0 0.2- 080511 474 0.3- 0.5-
080510 703 0.1- 0.4- 080510 151 0.4- 0.0 080511 474 0.5- 1.1-
080510 703 0.2+ 0.3+ 080510 A13 0.2+ 0.1+ 080511 474 0.0 0.2+
Ephemeris:
2008 JN20 a,e,i = 1.68, 0.59, 16 q = 0.6805
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 05 04 17 14.85 +25 08.9 0.500 1.358 125.1 37.4 19.1
2008 05 14 17 24.17 +33 42.4 0.405 1.265 120.4 43.6 18.6
2008 05 24 17 35.96 +45 04.6 0.324 1.168 110.9 54.1 18.3
2008 06 03 18 00.63 +60 53.5 0.259 1.070 95.4 70.7 18.1
2008 06 13 20 50.97 +81 01.3 0.219 0.973 72.6 95.0 18.4
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-J59
Read MPEC 2008-J58
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