MPEC 2003-M02 : 1990 OS
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M.P.E.C. 2003-M02 Issued 2003 June 16, 16:34 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1990 OS
Additional Observations:
J90O00S 1C2003 06 11.53926 16 55 19.57 -25 47 50.5 19.5 R 413
J90O00S 1C2003 06 11.54156 16 55 19.25 -25 47 50.4 19.6 R 413
J90O00S 1C2003 06 11.59363 16 55 12.34 -25 47 44.5 19.2 R 413
J90O00S 1C2003 06 11.60689 16 55 10.47 -25 47 42.7 19.7 R 413
J90O00S 1C2003 06 16.60845 16 44 06.80 -25 35 05.5 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
030611 413 0.89- 0.12+ 030616 413 0.91- 0.14+ MPO 41516 +0.69 day
Orbital elements:
1990 OS PHA 0.009
Epoch 2003 June 10.0 TT = JDT 2452800.5 MPC
M 304.24121 (2000.0) P Q
n 0.45259097 Peri. 19.93770 +0.99002470 -0.14083748
a 1.6800884 Node 348.15650 +0.12649013 +0.90091978
e 0.4630511 Incl. 1.11293 +0.06205912 +0.41049769
P 2.18 H 19.9 G 0.15 U 1
Residuals in seconds of arc (radar residuals in s.d.)
900721 675 0.3- 1.2- 900730 675 (3.4- 1.1-) 900802 657 0.6+ 1.2+
900721 675 (3.5- 1.4-) 900731 657 (0.6- 2.7-) 900802 253/253D 0.063+
900726 675 0.2+ 0.6+ 900731 657 (4.1- 4.6-) 900802 474 0.2+ 0.3+
900726 675 1.0+ 1.7+ 900731 474 0.7- 0.6- 900802 474 0.3+ 0.5-
900728 675 1.2+ 0.6+ 900731 474 1.6- 0.7- 900803 253/253D 0.561+
900728 675 1.7+ 0.8+ 900731 474 0.2- 0.4- 900803 657 (2.5+ 3.0-)
900729 675 0.3+ 0.2+ 900731 474 1.2+ 1.1+ 900803 657 (2.0+ 2.3-)
900729 657 1.2- 0.3+ 900801 657 (0.5- 2.8-) 030611 413 0.3- 0.4+
900729 474 (3.6- 0.9-) 900801 474 0.3- 1.0- 030611 413 0.5- 0.2+
900729 474 (3.4- 0.5-) 900801 474 0.2+ 1.0- 030611 413 0.7+ 0.0+
900729 474 1.7- 0.4- 900801 657 (0.4+ 4.1-) 030611 413 0.5- 0.2+
900729 474 0.7- 0.2- 900802 657 0.0- 0.5- 030616 413 0.4+ 1.6-
Ephemeris:
1990 OS a,e,i = 1.68, 0.46, 1 q = 0.9021
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 06 10 16 58.56 -25 50.6 0.558 1.572 176.0 2.6 19.9
2003 06 20 16 36.31 -25 23.3 0.506 1.506 162.6 11.6 20.0
2003 06 30 16 13.38 -24 34.8 0.472 1.439 147.9 22.0 20.1
2003 07 10 15 53.57 -23 35.1 0.453 1.370 133.8 32.4 20.2
2003 07 20 15 39.50 -22 38.8 0.443 1.301 121.0 42.1 20.3
2003 07 30 15 32.10 -21 56.8 0.435 1.232 109.6 50.9 20.4
2003 08 09 15 31.17 -21 33.9 0.426 1.164 99.8 59.1 20.5
2003 08 19 15 35.72 -21 27.9 0.410 1.100 91.2 67.0 20.5
2003 08 29 15 44.65 -21 33.1 0.385 1.040 83.6 74.8 20.5
2003 09 08 15 56.78 -21 42.0 0.351 0.988 76.7 83.1 20.5
2003 09 18 16 10.56 -21 44.6 0.308 0.946 70.1 92.1 20.5
2003 09 28 16 24.31 -21 29.7 0.257 0.917 63.4 102.1 20.5
2003 10 08 16 35.80 -20 40.6 0.200 0.903 56.1 113.3 20.6
2003 10 13 16 39.67 -19 53.9 0.172 0.902 52.0 119.4 20.6
2003 10 18 16 41.57 -18 42.6 0.143 0.906 47.4 126.0 20.8
2003 10 23 16 40.63 -16 51.3 0.114 0.914 42.1 133.1 21.0
2003 10 28 16 35.24 -13 44.9 0.086 0.925 35.9 140.9 21.4
2003 11 02 16 21.18 -07 47.9 0.059 0.941 28.8 149.4 22.0
2003 11 07 15 43.59 +06 36.5 0.036 0.959 26.7 152.3 21.5
2003 11 12 13 15.34 +44 28.6 0.023 0.981 67.0 111.8 15.9
2003 11 17 08 02.58 +51 58.9 0.035 1.006 117.7 60.6 14.8
2003 11 22 06 33.69 +42 20.4 0.058 1.032 138.7 39.2 15.4
2003 11 27 06 03.55 +37 10.9 0.084 1.061 150.4 27.3 15.9
2003 12 02 05 47.95 +34 09.0 0.112 1.091 159.0 18.9 16.3
2003 12 07 05 38.10 +32 08.0 0.141 1.123 166.0 12.2 16.6
2003 12 12 05 31.29 +30 40.1 0.172 1.155 171.5 7.3 16.9
2003 12 17 05 26.46 +29 32.6 0.206 1.189 173.4 5.5 17.3
2003 12 27 05 21.30 +27 55.5 0.280 1.257 165.9 11.0 18.3
2004 01 06 05 21.20 +26 51.1 0.366 1.326 156.1 17.5 19.2
2004 01 16 05 25.17 +26 07.7 0.463 1.395 146.9 22.6 20.0
2004 01 26 05 32.44 +25 38.0 0.573 1.463 138.4 26.5 20.7
2004 02 05 05 42.44 +25 16.6 0.694 1.530 130.5 29.3 21.3
2004 02 15 05 54.53 +24 59.1 0.824 1.595 123.2 31.2 21.8
2004 02 20 06 01.20 +24 50.8 0.893 1.627 119.6 31.9 22.1
Gareth V. Williams (C) Copyright 2003 MPC M.P.E.C. 2003-M02
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