MPEC 1999-X16 : 1999 XP35
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M.P.E.C. 1999-X16 Issued 1999 Dec. 9, 20:15 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 XP35
Observations:
J99X35P* C1999 12 06.42836 08 59 58.48 +11 18 03.7 17.5 704
J99X35P C1999 12 06.44451 08 59 58.95 +11 16 49.9 17.8 704
J99X35P C1999 12 06.45877 08 59 59.36 +11 15 45.3 17.8 704
J99X35P C1999 12 06.47547 08 59 59.86 +11 14 29.1 17.6 704
J99X35P C1999 12 06.48993 09 00 00.28 +11 13 22.9 17.5 704
J99X35P C1999 12 07.30069 09 00 31.34 +10 11 18.9 18.5 V 719
J99X35P C1999 12 07.30370 09 00 31.63 +10 11 01.6 18.3 V 719
J99X35P C1999 12 07.36106 09 00 33.23 +10 06 38.0 18.0 704
J99X35P C1999 12 07.37574 09 00 33.56 +10 05 30.7 17.7 704
J99X35P C1999 12 07.39042 09 00 33.99 +10 04 22.3 17.6 704
J99X35P C1999 12 07.40513 09 00 34.37 +10 03 14.7 17.6 704
J99X35P C1999 12 07.41981 09 00 34.74 +10 02 06.8 17.5 704
J99X35P 1C1999 12 07.43468 09 00 35.42 +10 00 51.2 658
J99X35P 1C1999 12 07.43725 09 00 35.50 +10 00 39.8 658
J99X35P 1C1999 12 07.43962 09 00 35.56 +10 00 28.7 658
J99X35P C1999 12 07.44441 09 00 35.49 +10 00 12.5 17.7 R 684
J99X35P C1999 12 07.44662 09 00 35.53 +10 00 02.2 684
J99X35P C1999 12 07.74127 09 00 45.63 +09 37 13.7 17.8 V 402
J99X35P C1999 12 07.74253 09 00 45.63 +09 37 07.6 402
J99X35P C1999 12 07.74380 09 00 45.67 +09 37 01.7 402
J99X35P C1999 12 07.74506 09 00 45.71 +09 36 56.0 402
J99X35P C1999 12 07.97706 09 00 54.10 +09 18 49.2 17.8 R 587
J99X35P C1999 12 07.98089 09 00 54.18 +09 18 30.5 587
J99X35P C1999 12 08.08705 09 00 56.75 +09 10 16.0 595
J99X35P C1999 12 08.09027 09 00 56.82 +09 10 02.5 595
J99X35P C1999 12 08.09800 09 00 56.95 +09 09 25.6 18.3 V 595
J99X35P C1999 12 08.44156 09 01 07.60 +08 42 39.1 18.7 704
J99X35P 0C1999 12 08.44547 09 01 07.88 +08 42 23.3 675
J99X35P 0C1999 12 08.44833 09 01 07.93 +08 42 09.8 675
J99X35P C1999 12 08.45407 09 01 07.79 +08 41 41.8 18.6 704
J99X35P C1999 12 08.46661 09 01 08.05 +08 40 41.6 18.4 704
J99X35P C1999 12 08.47910 09 01 08.30 +08 39 42.7 19.1 704
J99X35P C1999 12 08.49159 09 01 08.57 +08 38 44.7 18.2 704
Observer details:
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
587 Sormano. Observers V. Giuliani, A. Testa. 0.5-m reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
675 Palomar Mountain. Observers M. Hicks, K. Lawrence, T. McConnochie. 1.5-m
reflector + CCD.
684 Prescott. Observer P. G. Comba. 0.46-m f/4.5 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer. 1.0-m f/2.15 reflector + CCD.
719 Etscorn Observatory. Observer D. A. Klinglesmith III, S. Hathaway.
0.355-m Schmidt-Cassegrain + CCD.
Orbital elements:
1999 XP35
Epoch 1999 Nov. 18.0 TT = JDT 2451500.5 Williams
M 340.18298 (2000.0) P Q
n 0.56755628 Peri. 198.05490 -0.18209164 -0.91459452
a 1.4447635 Node 263.66548 +0.94099471 -0.05556257
e 0.1883894 Incl. 21.30123 +0.28525707 -0.40053673
P 1.74 H 18.5 G 0.15
From 33 observations 1999 Dec. 6-8.
Ephemeris:
1999 XP35 a,e,i = 1.44, 0.19, 21 q = 1.1726
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 12 08 09 00.89 +09 17.4 0.317 1.177 120.2 46.3 18.1
1999 12 13 09 02.70 +02 36.1 0.304 1.175 122.1 45.2 18.0
1999 12 18 09 02.76 -04 21.7 0.295 1.173 123.5 44.4 17.9
1999 12 23 09 01.07 -11 21.2 0.291 1.173 124.3 43.9 17.9
1999 12 28 08 57.64 -18 06.0 0.292 1.173 124.3 43.8 17.9
2000 01 02 08 52.50 -24 20.7 0.297 1.175 123.8 44.1 17.9
2000 01 07 08 45.78 -29 53.1 0.306 1.177 122.7 44.6 18.0
2000 01 12 08 37.76 -34 36.0 0.318 1.181 121.4 45.3 18.1
2000 01 17 08 28.85 -38 27.2 0.332 1.185 120.0 45.9 18.2
2000 01 22 08 19.51 -41 28.4 0.348 1.191 118.6 46.5 18.3
2000 01 27 08 10.23 -43 43.3 0.365 1.197 117.3 47.0 18.5
2000 02 01 08 01.52 -45 16.7 0.382 1.204 116.2 47.3 18.6
2000 02 06 07 53.84 -46 13.8 0.400 1.212 115.2 47.4 18.7
2000 02 11 07 47.61 -46 39.9 0.419 1.221 114.4 47.4 18.8
2000 02 16 07 43.08 -46 40.6 0.437 1.230 113.7 47.3 18.9
2000 02 21 07 40.36 -46 20.4 0.454 1.240 113.2 47.1 19.0
2000 02 26 07 39.45 -45 43.2 0.472 1.251 112.8 46.9 19.1
2000 03 02 07 40.33 -44 51.8 0.489 1.262 112.5 46.5 19.2
2000 03 07 07 42.91 -43 49.0 0.506 1.273 112.2 46.2 19.3
2000 03 12 07 47.10 -42 37.1 0.523 1.286 112.1 45.7 19.4
2000 03 17 07 52.76 -41 18.3 0.541 1.298 112.0 45.3 19.5
2000 03 22 07 59.73 -39 54.2 0.558 1.311 111.9 44.9 19.5
2000 03 27 08 07.84 -38 26.0 0.576 1.324 111.7 44.4 19.6
2000 04 01 08 16.99 -36 55.0 0.594 1.337 111.5 44.0 19.7
2000 04 06 08 27.05 -35 22.4 0.614 1.351 111.3 43.7 19.8
2000 04 11 08 37.90 -33 49.5 0.634 1.364 111.0 43.3 19.9
2000 04 16 08 49.41 -32 17.5 0.656 1.378 110.5 43.0 19.9
2000 04 21 09 01.46 -30 47.4 0.679 1.392 110.0 42.7 20.0
2000 04 26 09 13.95 -29 20.0 0.703 1.405 109.3 42.5 20.1
2000 05 06 09 39.88 -26 36.3 0.758 1.433 107.5 42.2 20.3
2000 05 16 10 06.62 -24 12.6 0.820 1.460 105.2 41.9 20.5
2000 05 26 10 33.60 -22 11.8 0.890 1.486 102.5 41.7 20.7
2000 06 05 11 00.49 -20 35.1 0.968 1.511 99.3 41.5 20.9
2000 06 15 11 27.10 -19 22.0 1.053 1.536 95.9 41.1 21.2
2000 06 25 11 53.26 -18 30.5 1.144 1.559 92.2 40.7 21.4
2000 07 05 12 18.96 -17 57.6 1.240 1.581 88.4 40.0 21.5
2000 07 15 12 44.22 -17 40.6 1.340 1.602 84.4 39.2 21.7
2000 07 25 13 09.07 -17 35.9 1.443 1.621 80.4 38.2 21.9
2000 08 04 13 33.61 -17 40.5 1.548 1.638 76.3 37.0 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-X16
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