MPEC 1998-X32 : 1998 XN2
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Read MPEC 1998-X31
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M.P.E.C. 1998-X32 Issued 1998 Dec. 11, 17:12 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 XN2
Observations:
J98X02N* C1998 12 09.17600 01 11 22.13 +08 57 20.4 17.7 704
J98X02N C1998 12 09.18641 01 11 31.49 +08 58 04.2 704
J98X02N C1998 12 09.19691 01 11 40.87 +08 58 48.3 704
J98X02N C1998 12 09.20738 01 11 50.24 +08 59 31.9 704
J98X02N C1998 12 09.21781 01 11 59.68 +09 00 16.1 704
J98X02N C1998 12 10.06628 01 24 51.15 +09 57 44.2 17.7 704
J98X02N C1998 12 10.07688 01 25 00.25 +09 58 24.6 17.6 704
J98X02N C1998 12 10.08747 01 25 09.31 +09 59 06.1 16.6 704
J98X02N C1998 12 10.09806 01 25 18.39 +09 59 48.2 16.4 704
J98X02N C1998 12 10.96984 01 37 47.87 +10 53 46.0 16.4 V 046
J98X02N C1998 12 10.97049 01 37 48.45 +10 53 48.6 046
J98X02N C1998 12 10.97118 01 37 48.99 +10 53 50.9 046
J98X02N C1998 12 10.97177 01 37 49.49 +10 53 53.0 046
J98X02N C1998 12 11.03751 01 38 48.87 +10 58 17.8 15.8 R 758
J98X02N C1998 12 11.04116 01 38 51.72 +10 58 31.0 15.6 R 758
J98X02N C1998 12 11.06161 01 39 08.44 +10 59 44.8 15.8 R 758
J98X02N C1998 12 11.06352 01 39 09.89 +10 59 50.1 15.8 R 758
J98X02N C1998 12 11.06529 01 39 11.36 +10 59 56.2 15.8 R 758
J98X02N C1998 12 11.06701 01 39 12.80 +11 00 03.0 15.7 R 758
J98X02N C1998 12 11.10742 01 39 46.72 +11 02 11.2 734
J98X02N C1998 12 11.11146 01 39 50.04 +11 02 25.3 734
J98X02N C1998 12 11.11639 01 39 54.04 +11 02 43.1 734
J98X02N C1998 12 11.15910 01 40 30.35 +11 05 19.7 670
J98X02N C1998 12 11.17993 01 40 47.06 +11 06 32.3 16.5 V 670
J98X02N C1998 12 11.18340 01 40 49.75 +11 06 43.0 670
J98X02N C1998 12 11.18688 01 40 52.61 +11 06 56.7 670
J98X02N C1998 12 11.46330 01 44 40.68 +11 24 12.6 16.6 R 422
J98X02N C1998 12 11.46406 01 44 41.31 +11 24 15.1 16.5 R 422
J98X02N C1998 12 11.46629 01 44 43.07 +11 24 22.6 16.5 R 422
J98X02N C1998 12 11.46806 01 44 44.46 +11 24 28.5 16.7 R 422
J98X02N C1998 12 11.46987 01 44 46.91 +11 23 13.0 355
J98X02N C1998 12 11.47369 01 44 49.91 +11 23 25.7 355
J98X02N C1998 12 11.47549 01 44 51.28 +11 23 32.6 355
J98X02N C1998 12 11.47889 01 44 53.96 +11 23 43.7 355
J98X02N C1998 12 11.48712 01 45 00.70 +11 25 33.5 16.9 V 426
J98X02N C1998 12 11.48955 01 45 02.58 +11 25 41.9 16.9 V 426
J98X02N C1998 12 11.49258 01 45 05.00 +11 25 52.5 17.0 V 426
J98X02N C1998 12 11.49545 01 45 07.28 +11 26 01.6 17.0 V 426
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
355 Hadano. Observer A. Asami. 0.28-m f/5.0 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.
670 Camarillo. Observer J. E. Rogers. 0.25-m Schmidt-Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
Orbital elements:
1998 XN2 PHA 0.007
Epoch 1998 Nov. 23.0 TT = JDT 2451140.5 Williams
M 7.84797 (2000.0) P Q
n 0.34138942 Peri. 125.70202 +0.92727804 -0.37315067
a 2.0275396 Node 256.22500 +0.33264205 +0.85827561
e 0.5490935 Incl. 1.78379 +0.17176933 +0.35230889
P 2.89 H 19.4 G 0.15
From 38 observations 1998 Dec. 9-11.
Ephemeris:
1998 XN2 a,e,i = 2.03, 0.55, 2 q = 0.9142
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 12 03 23 28.13 +00 22.0 0.099 1.011 102.2 72.3 16.9
1998 12 08 00 52.82 +07 31.1 0.104 1.040 119.4 55.7 16.6
1998 12 13 02 04.76 +12 43.6 0.122 1.071 132.7 42.5 16.6
1998 12 18 02 57.59 +15 44.9 0.150 1.104 140.7 34.4 16.9
1998 12 23 03 34.99 +17 25.3 0.184 1.139 144.6 30.0 17.3
1998 12 28 04 02.10 +18 23.9 0.223 1.175 146.0 27.9 17.7
1999 01 02 04 22.63 +19 01.3 0.266 1.212 145.8 27.1 18.2
1999 01 07 04 38.91 +19 27.3 0.312 1.251 144.6 27.1 18.6
1999 01 12 04 52.43 +19 46.9 0.361 1.289 142.7 27.5 19.0
1999 01 17 05 04.16 +20 02.6 0.413 1.329 140.4 28.2 19.3
1999 01 22 05 14.72 +20 15.6 0.469 1.368 137.8 28.9 19.7
1999 01 27 05 24.52 +20 26.7 0.527 1.408 135.0 29.6 20.0
1999 02 01 05 33.81 +20 36.1 0.589 1.447 132.1 30.3 20.4
1999 02 06 05 42.77 +20 43.8 0.653 1.487 129.2 30.9 20.7
1999 02 11 05 51.51 +20 49.9 0.720 1.526 126.2 31.5 20.9
1999 02 16 06 00.14 +20 54.4 0.789 1.566 123.1 31.9 21.2
1999 02 21 06 08.71 +20 57.2 0.862 1.605 120.1 32.2 21.5
1999 02 26 06 17.26 +20 58.3 0.936 1.643 117.1 32.4 21.7
1999 03 03 06 25.81 +20 57.5 1.013 1.681 114.0 32.6 21.9
1999 03 08 06 34.35 +20 55.0 1.092 1.719 111.0 32.6 22.1
1999 03 13 06 42.90 +20 50.6 1.173 1.757 108.0 32.5 22.3
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-X32
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