MPEC 2006-C19 : 2004 RY109
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M.P.E.C. 2006-C19 Issued 2006 Feb. 3, 20:38 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 RY109
Revision to MPEC 2004-R65
Additional Observations:
K04RA9Y C2006 01 27.51022 12 50 23.66 +01 39 34.4 22.6 V EC019291
K04RA9Y HC2006 01 27.51725 12 50 23.75 +01 39 30.4 EC019291
K04RA9Y HC2006 02 03.53088 12 50 44.94 +00 27 39.4 EC019291
K04RA9Y HC2006 02 03.53789 12 50 44.85 +00 27 36.4 EC019291
K04RA9Y HC2006 02 03.54422 12 50 44.87 +00 27 29.1 EC019291
Observer details:
291 LPL/Spacewatch II. Observers A. S. Descour, J. V. Scotti. 1.8-m f/2.7
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
060127 291 12.5+ 13.0- 060203 291 15.2+ 15.9- MPO 74338 -0.011 day
Orbital elements:
2004 RY109 PHA, Earth MOID = 0.0479 AU
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 283.94851 (2000.0) P Q
n 0.47477293 Peri. 306.71287 +0.49834250 +0.86505861
a 1.6273417 Node 352.47094 -0.58613477 +0.28713295
e 0.4250856 Incl. 26.12296 -0.63882767 +0.41137364
P 2.08 H 19.1 G 0.15 U 2
Residuals in seconds of arc
040911 704 0.6+ 0.9- 040912 704 0.6- 0.2- 040917 G70 0.6- 0.2+
040911 704 0.2+ 0.6- 040912 704 0.7+ 0.4+ 040918 H44 0.1- 0.6-
040911 704 0.3+ 0.5- 040912 704 0.8+ 1.4+ 040918 H44 0.1- 0.2-
040911 704 0.3+ 0.3- 040912 704 0.8+ 0.2- 040918 H44 0.2+ 0.1-
040911 704 0.3+ 0.7- 040912 704 0.3- 0.2- 040926 734 0.0 0.1+
040911 J95 0.8- 1.7+ 040912 671 0.1+ 0.4- 040926 734 0.3- 0.1-
040911 J95 0.4+ 1.1- 040912 671 0.1- 0.4- 040926 734 0.4+ 1.0-
040912 941 0.2+ 0.2- 040912 671 0.3+ 0.7- 041003 734 1.9- 1.0-
040912 941 0.2+ 0.2- 040912 671 0.4+ 0.4- 041003 734 0.9- 0.5-
040912 941 0.2+ 0.3- 040913 704 0.3+ 0.0 041003 734 0.0 0.5-
040912 941 0.1+ 0.3- 040913 704 0.4+ 0.3+ 041022 198 0.4- 0.8-
040912 941 0.0 0.2- 040913 704 0.3+ 0.2- 041022 198 0.3- 0.2-
040912 G90 0.3+ 0.4- 040913 704 0.3+ 0.1+ 041022 198 0.1- 0.3-
040912 G90 0.2+ 0.2- 040913 704 0.2+ 0.4+ 041105 F65 0.0 0.7-
040912 G90 0.3+ 0.1- 040914 704 1.8- 0.4+ 041105 F65 0.2+ 0.5-
040912 651 0.3+ 0.1+ 040914 704 0.1- 0.6+ 041105 F65 0.2+ 0.4-
040912 651 0.2- 0.0 040914 704 0.9- 0.7+ 041105 F65 0.0 0.5-
040912 651 0.1+ 0.1- 040914 704 0.6- 0.3+ 041214 734 1.0+ 0.1-
040912 H36 0.6- 0.2+ 040915 568 0.1- 0.1- 041214 734 (1.4+ 3.8+)
040912 H36 0.5+ 1.3- 040915 568 0.0 0.2+ 060127 291 0.0 0.1+
040912 H36 0.4+ 3.0+ 040917 734 0.2+ 0.3- 060127 291 0.4+ 0.4+
040912 704 0.1- 0.7+ 040917 734 0.0 0.2- 060203 291 0.6+ 0.7+
040912 704 0.2+ 0.7+ 040917 734 0.5+ 0.7- 060203 291 0.0 2.0+
040912 704 0.4- 0.4- 040917 734 0.1+ 0.8- 060203 291 1.1+ 1.3-
040912 704 0.6+ 0.8+ 040917 G70 0.7+ 0.1+
Ephemeris:
2004 RY109 a,e,i = 1.63, 0.43, 26 q = 0.9356
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 02 04 12 50.70 +00 22.8 1.166 1.895 123.3 25.8 22.0
2006 02 14 12 47.24 -01 24.4 1.024 1.848 133.6 22.8 21.6
2006 02 24 12 38.25 -03 19.7 0.897 1.799 145.0 18.4 21.1
2006 03 06 12 22.62 -05 24.8 0.789 1.748 157.7 12.4 20.5
2006 03 16 12 00.01 -07 38.6 0.707 1.694 169.5 6.2 20.0
2006 03 26 11 31.69 -09 53.4 0.653 1.638 165.9 8.5 19.8
2006 04 05 11 01.16 -11 57.7 0.629 1.580 151.2 17.7 20.0
2006 04 15 10 33.01 -13 45.4 0.630 1.521 136.1 27.2 20.2
2006 04 25 10 10.65 -15 19.6 0.648 1.459 122.3 35.6 20.4
2006 05 05 09 55.38 -16 49.8 0.676 1.397 110.5 42.6 20.6
2006 05 15 09 46.81 -18 26.5 0.705 1.334 100.5 48.2 20.8
2006 05 25 09 43.82 -20 16.4 0.730 1.270 92.2 52.8 20.9
2006 06 04 09 45.33 -22 24.0 0.745 1.208 85.3 56.8 20.9
2006 06 14 09 50.35 -24 52.0 0.748 1.148 79.6 60.5 20.9
2006 06 24 09 58.21 -27 41.0 0.737 1.092 75.1 64.1 20.9
2006 07 04 10 08.57 -30 51.8 0.712 1.041 71.6 68.0 20.8
2006 07 14 10 21.37 -34 24.0 0.670 0.997 69.0 72.1 20.7
2006 07 24 10 37.11 -38 16.2 0.614 0.964 67.4 76.6 20.6
2006 08 03 10 57.34 -42 28.6 0.545 0.943 66.7 81.2 20.5
2006 08 13 11 25.57 -47 00.6 0.465 0.936 67.0 85.7 20.3
2006 08 23 12 10.42 -51 44.8 0.381 0.942 68.7 89.2 20.0
2006 09 02 13 31.94 -55 39.8 0.297 0.963 72.6 90.2 19.6
2006 09 12 15 52.90 -53 12.2 0.229 0.996 80.8 86.1 18.9
2006 09 22 18 15.64 -35 06.4 0.201 1.039 94.4 74.5 18.3
2006 10 02 19 40.66 -11 03.5 0.233 1.090 106.2 61.9 18.3
2006 10 12 20 30.05 +05 07.5 0.310 1.146 110.9 54.4 18.8
2006 10 22 21 03.98 +14 19.3 0.407 1.206 111.5 50.2 19.4
2006 11 01 21 31.23 +19 47.5 0.516 1.268 110.4 47.2 20.0
2006 11 11 21 55.50 +23 20.2 0.631 1.331 108.3 44.9 20.4
2006 11 21 22 18.48 +25 50.1 0.751 1.394 105.8 43.0 20.9
2006 12 01 22 41.06 +27 45.8 0.876 1.457 102.8 41.3 21.2
2006 12 11 23 03.60 +29 22.2 1.004 1.518 99.6 39.8 21.6
2006 12 21 23 26.29 +30 47.4 1.135 1.578 96.0 38.3 21.9
Kyle E. Smalley (C) Copyright 2006 MPC M.P.E.C. 2006-C19
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