MPEC 2000-G30 : 1999 RQ36
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M.P.E.C. 2000-G30 Issued 2000 Apr. 6, 19:29 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 RQ36
Revision to MPEC 1999-R44
Observations:
J99R36Q 9C2000 03 30.39029 14 23 57.02 -21 26 41.6 18.2 R 695
J99R36Q 9C2000 03 30.39306 14 23 56.54 -21 26 43.0 18.2 R 695
J99R36Q 9C2000 03 30.39569 14 23 56.09 -21 26 44.4 18.1 R 695
J99R36Q 9C2000 03 30.39859 14 23 55.56 -21 26 45.8 18.1 R 695
J99R36Q 9C2000 03 30.41400 14 23 52.85 -21 26 53.5 695
J99R36Q 9C2000 03 30.41681 14 23 52.33 -21 26 54.8 18.1 R 695
J99R36Q 9C2000 03 30.41933 14 23 51.91 -21 26 56.1 18.1 R 695
J99R36Q 9C2000 03 30.42184 14 23 51.48 -21 26 57.3 18.2 R 695
J99R36Q 9C2000 03 30.42453 14 23 50.99 -21 26 58.7 18.0 R 695
J99R36Q 9C2000 03 30.43831 14 23 48.56 -21 27 05.4 18.1 R 695
J99R36Q 9C2000 03 30.44058 14 23 48.16 -21 27 06.5 18.0 R 695
J99R36Q TC2000 04 06.2413 14 03 45.60 -22 09 14.8 19.0 R 709
J99R36Q TC2000 04 06.2433 14 03 45.21 -22 09 15.9 19.0 R 709
J99R36Q TC2000 04 06.2447 14 03 44.85 -22 09 16.3 18.9 R 709
J99R36Q TC2000 04 06.2468 14 03 44.49 -22 09 16.8 18.7 R 709
J99R36Q TC2000 04 06.2489 14 03 44.12 -22 09 17.0 19.0 R 709
J99R36Q TC2000 04 06.2503 14 03 43.79 -22 09 17.8 19.0 R 709
J99R36Q TC2000 04 06.2524 14 03 43.38 -22 09 18.2 19.0 R 709
J99R36Q TC2000 04 06.2545 14 03 43.02 -22 09 18.8 18.9 R 709
Observer details:
695 Kitt Peak. Observer J. W. Parker. 2.1-m reflector + CCD.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
000330 695 15.4- 4.5+ 000406 709 14.1- 5.7+ MPC 38802 -0.0015 day
Orbital elements:
1999 RQ36 PHA 0.002
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Marsden
M 81.03244 (2000.0) P Q
n 0.82174108 Peri. 65.66594 +0.37733634 -0.92606770
a 1.1288755 Node 2.17710 +0.80706781 +0.32673068
e 0.2046258 Incl. 6.02567 +0.45415728 +0.18880064
P 1.20 H 20.9 G 0.15 U 3
Residuals in seconds of arc
990911 704 0.2- 0.1+ 990914 704 0.4- 0.8+ 990920 046 1.8+ 0.0
990911 704 0.1- 0.0 990914 704 0.4- 0.6+ 990920 046 0.2+ 0.2+
990911 704 0.4- 0.2- 990914 704 0.7- 0.3+ 990920 046 0.6- 0.3-
990911 704 0.8- 0.1- 990914 704 0.6- 0.0 990920 046 0.3+ 0.4+
990911 704 0.8- 0.6- 990914 467 0.1+ 0.3- 990920 046 1.2+ 1.5+
990912 595 0.5- 0.1+ 990914 467 0.1+ 0.6- 990920 859 0.6- 0.2+
990912 595 0.5- 0.0 990914 467 0.1+ 0.4- 990920 859 1.1+ 0.3+
990912 108 0.5- 0.9+ 990914 467 0.0 0.6- 990920 859 1.2+ 0.2+
990912 046 0.7+ 0.7- 990914 467 0.6+ 0.4- 990920 859 0.6+ 0.2-
990912 046 0.3+ 0.4- 990914 413 0.1- 0.5- 990920 859 0.4+ 0.3+
990912 108 (3.9+ 0.2-) 990914 413 0.2- 0.6- 990920 859 0.3+ 0.1+
990912 595 0.6- 0.1- 990914 428 0.1- 0.2- 990920 859 0.6+ 0.2+
990912 046 0.2+ 0.1- 990914 428 0.1+ 0.0 990920 859 1.0+ 0.3+
990912 046 0.4+ 0.2- 990914 428 0.4+ 0.2+ 990920 859 0.9+ 0.0
990912 108 (0.5- 2.3-) 990914 428 0.1+ 0.2- 990920 859 1.0+ 0.0
990912 046 0.7+ 0.8- 990915 118 0.3+ 0.0 990920 859 0.7+ 0.1+
990912 595 0.8- 0.1+ 990915 118 0.2+ 0.0 990920 121 1.5- 0.5-
990912 046 0.3+ 0.4- 990915 118 0.5+ 0.0 990920 121 1.3- 0.5-
990912 108 0.1- 1.0- 990915 046 0.2+ 0.1- 990920 121 1.0- 0.4-
990912 620 0.0 0.4- 990915 046 0.1+ 0.1- 990920 121 1.3- 0.4-
990912 620 0.6- 0.0 990915 046 0.2+ 0.2- 990920 121 1.4- 0.3-
990912 620 0.7- 0.7- 990915 046 0.2+ 0.0 990921 121 1.2- 0.5-
990912 620 0.1+ 1.0- 990915 859 0.5+ 0.1+ 990921 121 1.2- 0.2-
990912 670 1.8- 0.2+ 990915 859 0.5+ 0.2+ 990921 428 0.8- 0.1-
990912 670 0.2+ 0.3- 990915 859 0.1+ 0.1+ 990921 428 0.4- 0.1+
990912 670 0.1+ 0.3- 990915 859 0.5+ 0.1- 990921 428 0.3- 0.3+
990912 670 0.2- 0.2- 990915 859 0.5+ 0.0 990921 428 0.4- 0.2+
990912 106 (2.7+ 0.1-) 990915 859 0.6+ 0.2+ 990922 121 0.0 0.1-
990912 952 (5.3- 1.0-) 990915 848 0.4+ 0.2+ 990922 121 0.5- 0.5-
990912 952 (4.9- 0.7-) 990915 848 0.3+ 0.1+ 990922 121 0.4- 0.2-
990912 952 (5.1- 1.0-) 990915 848 0.2- 0.2+ 990922 121 0.2- 0.1-
990912 952 (5.3- 0.7-) 990916 046 0.0 0.4+ 990922 848 0.5- 0.3-
990912 952 (4.8- 0.9-) 990916 046 0.2+ 0.0 990922 848 0.0 0.1+
990912 952 (5.1- 1.0-) 990916 046 0.1+ 0.1- 990922 848 0.0 0.1+
990913 106 (3.2+ 0.4+) 990916 046 0.2- 0.3+ 990922 848 0.0 0.0
990913 046 0.3+ 0.4- 990916 595 0.0 0.2- 990922 848 0.5+ 0.8+
990913 046 0.2+ 0.3- 990916 595 0.3- 0.0 990922 848 0.3+ 0.3+
990913 046 0.2+ 0.4- 990916 595 0.0 0.2+ 990922 848 0.1+ 0.5+
990913 046 0.1+ 0.4- 990916 595 0.2+ 0.3+ 990922 848 0.4- 0.0
990913 046 0.2+ 0.4- 990916 848 0.2- 0.1+ 990922 848 0.7+ 0.4+
990913 118 0.5+ 0.4- 990916 848 0.1- 0.0 990923 848 0.0 0.3+
990913 118 0.1+ 0.3- 990916 848 0.2- 0.0 990923 848 0.1- 0.0
990913 118 0.1- 0.4- 990916 428 1.0- 1.3+ 990923 848 0.2+ 0.5+
990913 704 1.0- 0.1+ 990916 428 1.6- 0.8+ 990923 848 0.2+ 0.4+
990913 704 1.2- 0.5+ 990916 428 1.1- 1.3+ 990923 848 0.4+ 0.2+
990913 704 0.9- 0.3+ 990917 322 0.3- 0.8- 990923 848 0.5+ 0.4+
990913 848 0.1+ 0.3- 990917 322 0.1- 0.1- 990923 428 0.5+ 0.9-
990913 848 1.0+ 0.4+ 990917 322 0.5- 0.7- 990924 428 0.9- 1.6-
990913 848 0.5+ 0.3+ 990917 322 0.7- 0.7- 991229 568 0.5+ 0.3-
990913 848 1.0+ 0.5+ 990917 322 1.4- 1.0- 991229 568 0.5+ 0.3-
990913 848 1.1+ 0.2- 990917 322 1.5- 0.8- 991230 568 0.1+ 0.1-
990913 426 0.3+ 0.5- 990918 428 0.0 0.6- 991230 568 0.3+ 0.0
990913 426 0.0 0.4- 990918 428 0.4+ 0.6- 000330 695 0.8- 0.3-
990913 426 0.3+ 0.5- 990918 428 0.1+ 0.7- 000330 695 0.7- 0.3-
990913 428 1.2- 0.4+ 990918 428 0.6+ 0.5- 000330 695 0.5- 0.3-
990913 428 1.4- 0.4+ 990919 859 0.6+ 0.3+ 000330 695 0.8- 0.3-
990913 428 1.3- 0.3+ 990919 859 1.2+ 0.3+ 000330 695 0.6- 0.3-
990913 428 1.5- 0.2+ 990919 859 0.4+ 0.3- 000330 695 1.0- 0.2-
990914 046 0.3+ 0.1- 990919 859 0.4+ 0.4- 000330 695 0.6- 0.3-
990914 046 0.6+ 0.0 990919 859 1.2+ 0.9+ 000330 695 0.4- 0.2-
990914 046 0.4+ 0.3- 990919 859 0.7+ 0.4+ 000330 695 0.7- 0.3-
990914 046 0.4+ 0.2- 990919 859 1.2+ 0.4+ 000330 695 0.7- 0.3-
990914 629 1.8+ 1.1+ 990919 859 0.9+ 0.1+ 000330 695 0.7- 0.3-
990914 629 0.8- 0.9+ 990919 859 0.6+ 0.1- 000406 709 1.0+ 0.5+
990914 629 0.4+ 1.3+ 990919 859 0.2- 0.0 000406 709 1.1+ 0.1-
990914 629 0.7- 0.7+ 990919 327 1.2- 0.5- 000406 709 0.1- 0.1-
990914 629 0.0 0.6+ 990919 327 1.3- 0.5- 000406 709 0.6+ 0.0
990914 629 0.6+ 0.6- 990919 327 (2.2- 0.9-) 000406 709 1.2+ 0.3+
990914 629 0.2+ 0.6+ 990920 121 0.1+ 0.1+ 000406 709 0.5+ 0.1-
990914 629 0.2+ 0.7+ 990920 121 0.2+ 0.1+ 000406 709 0.6+ 0.0
990914 629 0.0 0.7+ 990920 121 0.3+ 0.0 000406 709 1.3+ 0.0
990914 629 0.1- 0.3+ 990920 121 0.0 0.1-
990914 704 0.4- 0.3+ 990920 046 0.6+ 0.8+
Ephemeris:
1999 RQ36 a,e,i = 1.13, 0.20, 6 q = 0.8979
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 04 06 14 04.49 -22 07.9 0.272 1.257 158.1 17.3 19.5
2000 04 11 13 48.71 -22 19.3 0.275 1.269 164.3 12.3 19.3
2000 04 16 13 33.10 -22 14.0 0.282 1.280 167.9 9.5 19.3
2000 04 21 13 18.54 -21 54.7 0.292 1.291 166.5 10.4 19.4
2000 04 26 13 05.72 -21 25.7 0.307 1.301 161.7 14.0 19.7
2000 05 01 12 55.09 -20 51.4 0.324 1.310 155.8 18.4 20.0
2000 05 06 12 46.84 -20 16.3 0.345 1.319 149.8 22.6 20.3
2000 05 11 12 40.99 -19 43.9 0.369 1.326 144.1 26.5 20.5
2000 05 16 12 37.38 -19 16.4 0.394 1.333 138.8 30.0 20.8
2000 05 21 12 35.76 -18 55.2 0.422 1.339 133.8 33.0 21.0
2000 05 26 12 35.90 -18 40.5 0.451 1.345 129.3 35.7 21.3
2000 05 31 12 37.57 -18 32.5 0.481 1.349 125.0 38.0 21.5
2000 06 05 12 40.60 -18 30.8 0.513 1.353 121.1 39.9 21.7
2000 06 10 12 44.80 -18 35.2 0.545 1.356 117.5 41.6 21.9
2000 06 15 12 50.03 -18 45.2 0.578 1.358 114.1 43.1 22.0
2000 06 20 12 56.13 -19 00.0 0.611 1.359 110.9 44.3 22.2
2000 06 25 13 03.00 -19 19.0 0.644 1.360 107.8 45.4 22.3
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-G30
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