MPEC 2002-P39 : 1998 SR49
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M.P.E.C. 2002-P39 Issued 2002 Aug. 9, 14:25 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
1998 SR49
Revision to MPEC 1998-T03
Observations:
J98S49R C2002 08 08.39022 04 05 36.57 +18 57 03.8 19.3 R 649
J98S49R C2002 08 08.39506 04 05 37.53 +18 57 12.9 19.7 R 649
J98S49R C2002 08 08.39992 04 05 38.48 +18 57 21.8 19.6 R 649
J98S49R C2002 08 09.39952 04 08 55.82 +19 28 02.0 19.2 R 649
J98S49R C2002 08 09.40434 04 08 56.76 +19 28 11.0 19.0 R 649
J98S49R C2002 08 09.40866 04 08 57.62 +19 28 19.2 19.1 R 649
Observer details:
649 Powell Observatory, Louisburg. Observers K. Smalley, M. Glaze. 0.75-m
Newtonian + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020808 649 19.5- 16.9- 020809 649 19.4- 16.8- MPC 34303 +0.010 day
Orbital elements:
1998 SR49
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 319.29183 (2000.0) P Q
n 0.25273675 Peri. 54.52946 +0.27827013 -0.94360805
a 2.4775577 Node 21.57089 +0.64427542 +0.04487723
e 0.5349016 Incl. 29.19931 +0.71237274 +0.32800897
P 3.90 H 17.2 G 0.15 U 1
Residuals in seconds of arc
980929 704 (4.3+ 0.8-) 981002 704 (5.6- 0.4-) 981115 360 0.5+ 0.0
980929 704 0.5- 0.5+ 981002 402 0.5- 0.7+ 981115 360 0.6+ 0.2-
980929 704 2.3+ 0.5+ 981002 402 0.1+ 0.1+ 981115 360 0.6+ 0.1+
980929 704 0.1+ 0.3- 981002 422 0.7- 0.1- 990122 561 0.8+ 0.1+
980929 704 1.1- 0.2- 981002 422 0.2+ 0.8+ 990122 561 0.3+ 0.2+
980930 557 0.7+ 0.1- 981002 422 0.4- 0.1- 990122 561 0.6+ 0.4+
980930 557 0.7+ 0.2+ 981002 422 0.9- 0.5- 990123 561 0.3+ 0.2+
980930 557 0.9+ 0.0 981002 360 0.0 0.2+ 990123 561 0.2+ 0.3+
980930 046 1.0+ 0.1+ 981002 360 0.1+ 0.3+ 990123 561 0.5+ 0.5+
980930 046 1.0+ 0.3- 981002 360 0.2- 0.2+ 990124 711 0.4- 0.3-
980930 046 1.0+ 0.1+ 981014 557 0.5- 0.0 990124 711 0.3- 0.3-
980930 046 0.8+ 0.3- 981014 557 0.4- 0.1+ 990209 557 0.0 0.3-
980930 658 0.1+ 0.4+ 981014 557 0.2- 0.2+ 990209 557 0.0 0.1+
980930 658 0.4- 0.4+ 981019 658 0.9+ 0.2+ 990209 557 0.5- 0.2-
980930 658 0.8- 0.2+ 981019 658 0.3+ 0.1+ 990219 711 0.1+ 0.2+
981001 422 0.1- 0.1- 981019 658 0.7+ 0.1+ 990219 711 0.3- 0.1+
981001 422 0.1- 0.8+ 981020 557 0.0 0.8- 990220 711 0.4- 0.2-
981001 422 0.4- 0.4+ 981020 557 0.4- 0.8- 990220 711 0.1- 0.2-
981002 704 0.6+ 0.2+ 981020 557 0.6- 1.1- 020808 649 0.4- 0.1+
981002 704 0.9+ 0.6- 981028 587 0.4+ 0.4- 020808 649 0.1- 0.3+
981002 704 1.5- 0.1+ 981028 587 0.2+ 0.1+ 020808 649 0.1- 0.2+
981002 704 1.1- 0.4- 981028 587 0.2- 0.9- 020809 649 0.0 0.0
981002 704 1.9- 0.1- 981029 360 0.6+ 0.3- 020809 649 0.1- 0.0
981002 704 2.6- 0.1- 981029 360 0.7+ 0.2- 020809 649 0.0 0.2+
981002 704 1.8+ 0.0 981029 360 0.0 0.5-
Ephemeris:
1998 SR49 a,e,i = 2.48, 0.53, 29 q = 1.1523
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 08 04 03 51.64 +16 44.7 1.332 1.405 72.1 43.4 20.2
2002 08 14 04 24.63 +21 51.4 1.230 1.346 73.1 46.0 20.0
2002 08 24 05 02.51 +27 10.8 1.143 1.293 73.5 48.6 19.9
2002 09 03 05 46.59 +32 25.4 1.075 1.246 73.4 50.9 19.7
2002 09 13 06 37.68 +37 06.0 1.028 1.208 72.8 52.8 19.6
2002 09 23 07 35.20 +40 36.8 1.002 1.178 71.9 54.1 19.5
2002 10 03 08 36.22 +42 28.4 0.997 1.160 71.0 54.7 19.5
2002 10 13 09 35.90 +42 34.1 1.008 1.152 70.1 54.5 19.5
2002 10 23 10 29.91 +41 12.4 1.030 1.157 69.7 53.7 19.5
2002 11 02 11 16.21 +38 54.5 1.058 1.173 69.7 52.5 19.6
2002 11 12 11 54.80 +36 10.5 1.086 1.200 70.5 51.0 19.7
2002 11 22 12 26.63 +33 22.1 1.111 1.237 72.0 49.4 19.7
2002 12 02 12 52.82 +30 42.9 1.129 1.283 74.3 47.7 19.8
2002 12 12 13 14.21 +28 21.1 1.138 1.334 77.6 46.1 19.9
2002 12 22 13 31.29 +26 20.8 1.136 1.392 81.7 44.4 19.9
2003 01 01 13 44.32 +24 43.9 1.124 1.453 86.9 42.5 19.9
2003 01 11 13 53.17 +23 31.1 1.104 1.518 93.2 40.3 19.9
2003 01 21 13 57.55 +22 40.7 1.076 1.585 100.5 37.6 19.9
2003 01 31 13 57.01 +22 09.7 1.045 1.653 109.0 34.3 19.8
2003 02 10 13 51.02 +21 52.2 1.015 1.722 118.6 30.2 19.7
2003 02 20 13 39.41 +21 38.3 0.993 1.791 129.3 25.3 19.6
2003 03 02 13 22.64 +21 15.6 0.985 1.860 140.6 19.8 19.5
2003 03 12 13 02.21 +20 31.1 0.998 1.929 151.3 14.3 19.4
2003 03 22 12 40.62 +19 17.0 1.037 1.997 158.3 10.6 19.5
2003 04 01 12 20.54 +17 34.9 1.105 2.064 157.6 10.6 19.7
2003 04 11 12 04.00 +15 33.0 1.201 2.130 150.4 13.5 20.0
2003 04 21 11 51.91 +13 21.4 1.322 2.195 140.9 16.8 20.4
2003 05 01 11 44.26 +11 08.0 1.465 2.259 131.2 19.6 20.8
2003 05 11 11 40.56 +08 57.0 1.624 2.321 121.9 21.7 21.1
2003 05 21 11 40.16 +06 50.2 1.796 2.383 113.2 23.0 21.4
2003 05 31 11 42.40 +04 47.9 1.977 2.443 104.9 23.6 21.7
2003 06 10 11 46.75 +02 49.5 2.163 2.501 97.1 23.7 22.0
2003 06 20 11 52.75 +00 54.5 2.353 2.558 89.7 23.4 22.2
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-P39
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