MPEC 2007-Q46 : COMET 19P/BORRELLY
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M.P.E.C. 2007-Q46 Issued 2007 Aug. 31, 13:01 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
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET 19P/BORRELLY
Observations:
0019P C2007 08 19.05911 19 51 35.31 -51 31 02.1 EQ046309
0019P C2007 08 19.06150 19 51 35.08 -51 31 02.5 20.2 N EQ046309
0019P C2007 08 31.43758 19 39 25.20 -51 25 55.0 20 T EQ046413
0019P C2007 08 31.44524 19 39 24.82 -51 25 54.3 EQ046413
0019P C2007 08 31.45292 19 39 24.42 -51 25 53.6 EQ046413
Observer details:
309 Cerro Paranal. Observers G. P.Tozzi, S. Bagnulo, H. Boehnhardt, K.
Muinonen. Measurer H. Boehnhardt. ESO 8.2-m Antu Telescope + CCD.
413 Siding Spring. Observers K. Sarneczky, L. Kiss. Measurer K. Sarneczky.
1.02-m reflector + CCD.
Orbital elements:
19P/Borrelly
Epoch 1994 Oct. 15.0 TT = JDT 2449640.5
T 1994 Nov. 1.49463 TT MPC
q 1.3651263 (2000.0) P Q
n 0.14315338 Peri. 353.35867 +0.34664772 -0.80113992
a 3.6191089 Node 75.42383 +0.88212031 +0.10160496
e 0.6228004 Incl. 30.27080 +0.31890298 +0.58978917
P 6.88
Epoch 2001 Sept. 8.0 TT = JDT 2452160.5
T 2001 Sept. 14.73059 TT MPC
q 1.3582041 (2000.0) P Q
n 0.14362376 Peri. 353.37498 +0.34634869 -0.80078782
a 3.6112027 Node 75.42493 +0.88220529 +0.10090937
e 0.6238915 Incl. 30.32478 +0.31899280 +0.59038645
P 6.86
Epoch 2008 Aug. 2.0 TT = JDT 2454680.5
T 2008 July 22.32968 TT MPC
q 1.3547768 (2000.0) P Q
n 0.14383090 Peri. 353.37824 +0.34598066 -0.80092461
a 3.6077346 Node 75.44469 +0.88232010 +0.10060971
e 0.6244799 Incl. 30.32428 +0.31907464 +0.59025203
P 6.85
From 1230 observations 1994 June 12-2007 Aug. 31, mean residual 0".69. Non-
gravitational parameters A1 = +0.27 +/- 0.01, A2 = -0.0473 +/- 0.0005.
Ephemeris:
19P/Borrelly
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 08 28 19 42.38 -51 30.5 2.621 3.328 127.0 14.0 19.6 22.5
2007 09 07 19 34.78 -51 11.3 2.666 3.267 118.3 15.8 19.5 22.6
2007 09 17 19 30.52 -50 36.8 2.723 3.205 109.7 17.2 19.3 22.6
2007 09 27 19 29.73 -49 51.7 2.788 3.142 101.2 18.2 19.2 22.7
2007 10 07 19 32.27 -48 59.4 2.857 3.078 93.1 18.9 19.0 22.7
2007 10 17 19 37.88 -48 02.1 2.925 3.013 85.4 19.3 18.8 22.7
2007 10 27 19 46.22 -47 01.1 2.990 2.947 77.9 19.3 18.6 22.7
2007 11 06 19 56.93 -45 56.5 3.048 2.880 70.9 19.0 18.4 22.7
2007 11 16 20 09.70 -44 48.0 3.099 2.813 64.2 18.5 18.2 22.7
2007 11 26 20 24.22 -43 35.0 3.140 2.745 57.8 17.7 17.9 22.6
2007 12 06 20 40.22 -42 16.5 3.170 2.676 51.8 16.8 17.7 22.5
2007 12 16 20 57.48 -40 51.7 3.188 2.606 46.2 15.8 17.4 22.5
2007 12 26 21 15.78 -39 19.7 3.194 2.535 41.0 14.8 17.1 22.4
2008 01 05 21 34.97 -37 39.6 3.187 2.464 36.3 13.7 16.8 22.3
2008 01 15 21 54.89 -35 50.7 3.169 2.393 32.0 12.6 16.5 22.1
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-Q46
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