MPEC 1998-S11 : 1998 SJ2
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M.P.E.C. 1998-S11 Issued 1998 Sept. 19, 18:02 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html
1998 SJ2
Observations:
J98S02J* C1998 09 18.13927 03 29 41.95 +18 51 10.1 18.3 V 910
J98S02J C1998 09 18.15364 03 29 42.43 +18 51 42.6 18.2 V 910
J98S02J C1998 09 18.16588 03 29 42.83 +18 52 10.4 18.3 V 910
J98S02J C1998 09 18.93699 03 30 14.99 +19 21 13.3 17.3 R 611
J98S02J C1998 09 18.94011 03 30 15.10 +19 21 18.8 17.8 R 611
J98S02J C1998 09 18.94306 03 30 15.27 +19 21 25.6 17.6 R 611
J98S02J C1998 09 19.02394 03 30 17.94 +19 24 35.4 108
J98S02J C1998 09 19.02922 03 30 18.22 +19 24 48.4 108
J98S02J C1998 09 19.03769 03 30 18.37 +19 25 05.0 108
J98S02J C1998 09 19.04464 03 30 18.49 +19 25 15.3 17.5 V 108
J98S02J C1998 09 19.06751 03 30 19.14 +19 26 10.2 557
J98S02J C1998 09 19.06985 03 30 19.21 +19 26 15.4 557
J98S02J C1998 09 19.07218 03 30 19.27 +19 26 20.8 557
J98S02J C1998 09 19.11888 03 30 20.79 +19 28 04.8 18.3 V 910
J98S02J C1998 09 19.13848 03 30 21.37 +19 28 49.1 18.2 V 910
J98S02J C1998 09 19.15840 03 30 21.96 +19 29 33.9 18.3 V 910
J98S02J C1998 09 19.23646 03 30 26.05 +19 32 30.6 17.5 R 816
J98S02J C1998 09 19.24026 03 30 26.17 +19 32 38.9 17.6 R 816
J98S02J C1998 09 19.45665 03 30 32.93 +19 40 52.0 711
J98S02J C1998 09 19.46146 03 30 33.07 +19 41 02.8 711
J98S02J C1998 09 19.46688 03 30 33.21 +19 41 14.9 711
J98S02J C1998 09 19.61203 03 30 39.63 +19 47 02.8 17.6 R 422
J98S02J C1998 09 19.61325 03 30 39.64 +19 47 05.5 17.8 R 422
J98S02J C1998 09 19.61587 03 30 39.79 +19 47 11.5 17.9 R 422
J98S02J C1998 09 19.61840 03 30 39.86 +19 47 17.5 17.7 R 422
J98S02J C1998 09 19.62475 03 30 40.28 +19 47 03.4 17.9 V 402
J98S02J C1998 09 19.62648 03 30 40.32 +19 47 07.7 402
J98S02J C1998 09 19.62822 03 30 40.36 +19 47 11.5 402
J98S02J C1998 09 19.62995 03 30 40.43 +19 47 15.6 402
J98S02J C1998 09 19.68584 03 30 42.01 +19 49 49.1 17.9 R 426
J98S02J C1998 09 19.69130 03 30 42.14 +19 50 00.4 17.8 R 426
J98S02J C1998 09 19.69778 03 30 42.36 +19 50 15.2 17.4 R 426
J98S02J C1998 09 19.70396 03 30 42.52 +19 50 28.6 17.7 R 426
Observer details:
108 Montelupo. Observers M. Tombelli, D. Guidetti, G. Forti, E. Masotti.
0.30-m f/5.7 Schmidt-Cassegrain + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
611 Starkenburg. Observers M. Busch, R. Stoss. 0.45-m f/4.4 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD.
816 Rand Observatory. Observer G. R. Viscome. 0.37-m f/6 reflector + CCD.
910 Caussols-ODAS. Observers A. Maury, D. Albanese, G. Hahn, M. Hoffmann.
Measurers A. Maury, G. Hahn. 0.9-m Schmidt + CCD.
Orbital elements:
1998 SJ2
Epoch 1998 Sept. 4.0 TT = JDT 2451060.5 Williams
M 3.88404 (2000.0) P Q
n 0.25444138 Peri. 332.05066 +0.94555576 +0.32420562
a 2.4664797 Node 9.16976 -0.25509688 +0.79274688
e 0.5283960 Incl. 10.32000 -0.20211357 +0.51618126
P 3.87 H 18.5 G 0.15
From 27 observations 1998 Sept. 18-19.
Ephemeris:
1998 SJ2 a,e,i = 2.47, 0.53, 10 q = 1.1632
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 09 14 03 26.18 +16 10.1 0.335 1.199 117.7 48.0 18.3
1998 09 19 03 30.27 +19 23.8 0.339 1.214 120.9 45.3 18.3
1998 09 24 03 32.48 +22 25.2 0.345 1.232 124.5 42.2 18.3
1998 09 29 03 32.76 +25 12.5 0.352 1.251 128.5 38.8 18.3
1998 10 04 03 31.16 +27 44.1 0.360 1.273 132.8 35.2 18.3
1998 10 09 03 27.75 +29 58.0 0.371 1.296 137.3 31.5 18.3
1998 10 14 03 22.70 +31 52.6 0.384 1.321 142.0 27.7 18.3
1998 10 19 03 16.28 +33 26.2 0.399 1.348 146.7 23.9 18.3
1998 10 24 03 08.92 +34 38.0 0.418 1.376 151.3 20.4 18.3
1998 10 29 03 01.14 +35 28.3 0.439 1.404 155.3 17.2 18.4
1998 11 03 02 53.45 +35 58.8 0.465 1.434 158.4 14.7 18.4
1998 11 08 02 46.29 +36 12.0 0.494 1.465 160.2 13.2 18.6
1998 11 13 02 40.01 +36 10.9 0.527 1.497 160.4 12.8 18.7
1998 11 18 02 34.88 +35 58.7 0.565 1.529 158.9 13.5 19.0
1998 11 23 02 31.05 +35 39.0 0.606 1.562 156.3 14.7 19.2
1998 11 28 02 28.58 +35 14.7 0.652 1.595 152.9 16.4 19.5
1998 12 03 02 27.43 +34 48.5 0.701 1.628 149.1 18.1 19.7
1998 12 08 02 27.53 +34 22.1 0.755 1.662 145.2 19.8 20.0
1998 12 13 02 28.75 +33 56.8 0.812 1.696 141.2 21.3 20.2
1998 12 18 02 31.00 +33 33.6 0.873 1.730 137.2 22.7 20.5
1998 12 23 02 34.17 +33 13.0 0.938 1.764 133.2 24.0 20.7
1998 12 28 02 38.17 +32 55.3 1.005 1.798 129.4 25.0 20.9
1999 01 02 02 42.88 +32 40.7 1.076 1.832 125.6 25.9 21.2
1999 01 07 02 48.20 +32 29.0 1.150 1.866 121.8 26.6 21.4
1999 01 12 02 54.07 +32 19.9 1.226 1.900 118.2 27.1 21.6
1999 01 17 03 00.41 +32 13.2 1.304 1.933 114.6 27.6 21.7
1999 01 22 03 07.18 +32 08.7 1.385 1.967 111.1 27.8 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-S11
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- 1997-B01 (the full form)
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- B01 (the abbreviated form)
