MPEC 1999-E25: 1998 BE7
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 1999-E24
Read MPEC 1999-E26
M.P.E.C. 1999-E25 Issued 1999 Mar. 15, 20:44 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 ISSN 1523-6714
1998 BE7
Revision to MPEC 1998-C15
Observations:
J98B07E C1999 01 20.13690 12 59 37.82 +10 41 26.6 20.5 V 104
J98B07E C1999 01 20.14314 12 59 37.86 +10 41 29.3 104
J98B07E C1999 01 20.14936 12 59 38.00 +10 41 31.7 104
J98B07E C1999 03 14.03029 12 40 32.36 +16 22 34.1 104
J98B07E C1999 03 14.03511 12 40 32.05 +16 22 36.2 104
J98B07E C1999 03 14.03993 12 40 31.83 +16 22 38.9 104
J98B07E C1999 03 14.04472 12 40 31.54 +16 22 41.0 20.1 V 104
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli,
E. Gregori. Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli.
0.40-m f/5 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
990120 104 73.2+ 29.3- 990314 104 85.8+ 23.2- MPC 31797 -0.046 day
Orbital elements:
1998 BE7
Epoch 1999 Jan. 22.0 TT = JDT 2451200.5 Williams
M 77.35993 (2000.0) P Q
n 0.18048475 Peri. 298.44570 +0.71941125 -0.65077194
a 3.1010520 Node 103.26938 +0.69190717 +0.64077519
e 0.5062693 Incl. 14.44451 +0.06092555 +0.40731198
P 5.46 H 15.1 G 0.15 U 3
Residuals in seconds of arc
980124 566 0.1- 0.2+ 980210 118 0.0 0.4- 980301 118 0.9+ 0.6-
980124 566 0.2- 0.3+ 980210 046 0.8- 0.2- 980302 360 1.0+ 0.8-
980124 566 0.4- 0.4+ 980210 046 0.1- 0.4- 980302 360 0.5+ 0.9-
980125 566 0.6+ 1.7+ 980210 046 0.6- 0.1- 980302 360 0.7+ 0.8-
980125 566 0.3+ 1.4+ 980211 402 0.7- 0.5- 980302 587 1.1+ 1.7-
980125 566 0.2+ 1.4+ 980211 402 0.6- 0.6+ 980302 587 1.4+ 0.8-
980126 566 0.9+ 1.5+ 980211 402 0.3- 0.0 980311 118 0.2+ 0.2+
980126 566 1.0+ 1.4+ 980213 402 1.7- 1.5- 980311 118 0.4+ 0.5+
980126 566 0.8+ 1.4+ 980213 402 2.0- 0.6- 980316 587 1.0+ 0.2+
980129 566 0.1- 0.5+ 980213 402 1.7- 1.3- 980317 587 0.0 0.2+
980129 566 0.1- 0.4+ 980214 587 0.0 0.2+ 980317 587 0.4+ 0.5-
980129 566 0.0 0.8+ 980214 587 0.5- 0.3- 980415 658 0.1- 1.0-
980130 046 1.0- 0.3- 980215 360 0.6- 0.0 980415 658 0.0 1.0-
980130 046 1.1- 0.2- 980215 360 0.7- 0.3+ 980415 658 0.1+ 0.9-
980130 046 0.9- 0.1+ 980215 360 0.5- 0.1- 980415 360 0.9+ 0.1+
980130 046 0.2+ 0.1- 980218 046 0.6- 0.4- 980415 360 0.5+ 0.9-
980130 046 0.6+ 0.1+ 980218 046 0.3- 0.2- 980415 360 1.3+ 0.9-
980131 118 0.1+ 1.0- 980218 046 0.3- 0.3- 990120 104 0.1+ 0.5-
980131 118 0.2- 1.1- 980222 566 0.1- 0.2+ 990120 104 0.0 0.5+
980206 046 0.1+ 0.3+ 980222 566 0.2+ 0.4+ 990120 104 1.4+ 1.2+
980206 046 0.7+ 0.5+ 980222 566 0.3- 0.4+ 990314 104 1.2+ 0.0
980206 046 0.6- 0.7+ 980223 118 0.1+ 0.1+ 990314 104 0.1- 0.2+
980210 118 0.3+ 0.4- 980223 118 0.5+ 0.1- 990314 104 0.0 1.1+
980210 118 0.3+ 0.0 980301 118 0.8+ 0.6- 990314 104 1.0- 1.4+
Ephemeris:
1998 BE7 a,e,i = 3.10, 0.51, 14 q = 1.5311
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 03 13 12 41.32 +16 16.0 2.775 3.716 158.2 5.7 20.6
1999 03 23 12 33.48 +17 15.0 2.798 3.754 160.8 5.0 20.6
1999 04 02 12 25.51 +18 00.5 2.851 3.791 156.9 5.9 20.7
1999 04 12 12 18.03 +18 29.7 2.932 3.827 149.0 7.7 20.9
1999 04 22 12 11.59 +18 41.8 3.039 3.862 139.8 9.7 21.1
1999 05 02 12 06.58 +18 37.4 3.169 3.896 130.2 11.4 21.3
1999 05 12 12 03.21 +18 18.5 3.316 3.930 120.8 12.8 21.4
1999 05 22 12 01.54 +17 47.2 3.476 3.962 111.6 13.7 21.6
1999 06 01 12 01.51 +17 05.8 3.646 3.994 102.8 14.3 21.7
1999 06 11 12 03.00 +16 16.5 3.821 4.025 94.2 14.6 21.9
1999 06 21 12 05.86 +15 21.0 3.998 4.056 86.0 14.5 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-E25
Read MPEC 1999-E24
Read MPEC 1999-E26
Our Web policy. Index to the CBAT/MPC/ICQ pages.
