MPEC 1998-B21 : 1998 BB10
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M.P.E.C. 1998-B21 Issued 1998 Jan. 27, 16:39 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 BB10
Observations:
J98B10B* C1998 01 25.42287 09 15 42.24 +19 12 54.9 17.7 V 566
J98B10B C1998 01 25.43235 09 15 40.05 +19 13 36.8 17.7 V 566
J98B10B C1998 01 25.44211 09 15 37.82 +19 14 19.9 17.8 V 566
J98B10B C1998 01 26.04697 09 13 30.69 +19 57 04.1 557
J98B10B C1998 01 26.04826 09 13 30.41 +19 57 09.5 17.4 V 557
J98B10B C1998 01 26.04955 09 13 30.13 +19 57 15.2 557
J98B10B C1998 01 26.27992 09 12 46.92 +20 13 25.7 17.8 V 566
J98B10B C1998 01 26.28300 09 12 44.53 +20 13 35.1 673
J98B10B C1998 01 26.28827 09 12 43.42 +20 13 55.9 673
J98B10B C1998 01 26.29012 09 12 44.77 +20 14 08.4 17.7 V 566
J98B10B C1998 01 26.30094 09 12 42.48 +20 14 54.2 17.6 V 566
J98B10B C1998 01 26.39300 09 12 22.53 +20 21 17.4 17.7 V 566
J98B10B C1998 01 26.40311 09 12 20.31 +20 21 59.2 17.5 V 566
J98B10B C1998 01 26.41309 09 12 18.09 +20 22 40.3 17.7 V 566
J98B10B C1998 01 26.57645 09 11 45.40 +20 33 27.6 897
J98B10B C1998 01 26.58126 09 11 44.36 +20 33 47.7 897
J98B10B C1998 01 26.58928 09 11 42.52 +20 34 19.9 17.4 R 897
J98B10B C1998 01 26.59273 09 11 41.89 +20 34 34.7 355
J98B10B C1998 01 26.59627 09 11 41.12 +20 34 49.3 17.6 V 355
J98B10B C1998 01 26.60048 09 11 40.19 +20 35 06.6 355
J98B10B C1998 01 26.60793 09 11 38.59 +20 35 36.5 355
J98B10B C1998 01 26.80169 09 11 01.73 +20 48 15.6 17.7 V 596
J98B10B C1998 01 26.80856 09 11 00.25 +20 48 45.9 596
J98B10B C1998 01 26.81542 09 10 58.88 +20 49 12.0 596
J98B10B C1998 01 26.83468 09 10 54.81 +20 50 24.2 17.4 V 046
J98B10B C1998 01 26.83582 09 10 54.57 +20 50 29.1 046
J98B10B C1998 01 26.83750 09 10 54.22 +20 50 35.8 046
J98B10B C1998 01 27.01791 09 10 16.50 +21 02 27.1 17.5 V 557
J98B10B C1998 01 27.01896 09 10 16.29 +21 02 31.3 557
J98B10B C1998 01 27.02106 09 10 15.83 +21 02 39.4 557
J98B10B C1998 01 27.14270 09 09 50.61 +21 10 28.5 17.6 R 118
J98B10B C1998 01 27.14431 09 09 50.29 +21 10 34.6 118
J98B10B C1998 01 27.14613 09 09 49.92 +21 10 41.6 118
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
118 Modra. Observers P. Koleny, L. Kornos. 0.6-m f/5.5 reflector + CCD.
355 Hadano. Observer A. Asami. 0.2-m f/4.0 reflector + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector
+ CCD.
566 Haleakala-NEAT/GEODSS. Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
D. L. Rabinowitz for the NEAT team. 1.0-m f/2.2 GEODSS telescope + CCD.
596 Colleverde di Guidonia. Observer V. S. Casulli. 0.40-m f/2.95 reflector
+ CCD.
673 Table Mountain Observatory, Wrightwood. Observer M. Hicks. Measurer
D. L. Rabinowitz. 0.6-m reflector + CCD.
897 Chiyoda. Observer T. Kojima. 0.25-m f/6.0 reflector + CCD.
Orbital elements:
1998 BB10
Epoch 1998 Jan. 7.0 TT = JDT 2450820.5 Williams
M 40.44131 (2000.0) P Q
n 0.67788846 Peri. 258.89003 +0.90061529 -0.40044439
a 1.2834055 Node 124.50525 +0.43348869 +0.85563891
e 0.4332490 Incl. 11.82893 -0.03129940 +0.32791210
P 1.45 H 20.5 G 0.15
From 33 observations 1998 Jan. 25-27.
Ephemeris:
1998 BB10 a,e,i = 1.28, 0.43, 12 q = 0.7274
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 01 27 09 10.34 +21 01.6 0.188 1.171 171.8 6.9 17.7
1998 02 01 08 55.88 +25 32.6 0.222 1.206 171.7 6.8 18.2
1998 02 06 08 44.89 +28 37.1 0.261 1.240 165.0 11.8 18.8
1998 02 11 08 36.92 +30 40.9 0.303 1.274 158.3 16.6 19.3
1998 02 16 08 31.54 +32 01.9 0.348 1.306 152.2 20.6 19.8
1998 02 21 08 28.37 +32 52.2 0.397 1.338 146.7 24.0 20.2
1998 02 26 08 27.08 +33 20.3 0.447 1.369 141.6 26.7 20.6
1998 03 03 08 27.41 +33 31.7 0.501 1.399 136.9 29.0 21.0
1998 03 08 08 29.13 +33 30.7 0.556 1.428 132.5 30.8 21.3
1998 03 13 08 31.98 +33 20.2 0.613 1.456 128.4 32.4 21.6
1998 03 18 08 35.79 +33 02.3 0.672 1.483 124.5 33.6 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-B21
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