MPEC 2003-R40 : COMET C/2001 Q4 (NEAT)
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M.P.E.C. 2003-R40 Issued 2003 Sept. 9, 01:10 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2001 Q4 (NEAT)
Observations:
CK01Q040 C2003 08 07.26292 04 08 51.41 -43 11 09.6 I31
CK01Q040 C2003 08 07.26578 04 08 51.49 -43 11 13.5 I31
CK01Q040 C2003 09 03.74160 04 30 33.44 -51 53 57.2 14.1 N E14
CK01Q040 C2003 09 03.74525 04 30 33.58 -51 54 01.8 14.3 N E14
CK01Q040 C2003 09 03.74888 04 30 33.72 -51 54 06.6 14.2 N E14
Observer details:
E14 Ngunnawal. Observer D. Higgins. 0.25-m f/3.4 Schmidt-Cassegrain + CCD.
I31 Observatorio Astronomico del Colegio Cristo Rey. Observer V. Buso.
Measurers L. Tenaglia, E. Svaikauskas, J. Nardon. 0.28-m f/6.3 Schmidt-
Casegrain + CCD.
Orbital elements:
C/2001 Q4 (NEAT)
Epoch 2004 June 4.0 TT = JDT 2453160.5
T 2004 May 15.95459 TT MPC
q 0.9618863 (2000.0) P Q
z -0.0007817 Peri. 1.20736 -0.86517752 -0.06623379
+/-0.0000029 Node 210.27793 -0.46795393 -0.24964387
e 1.0007519 Incl. 99.64208 -0.18024143 +0.96606989
From 220 observations 2001 Aug. 24-2003 Sept. 3, mean residual 0".67.
Ephemeris:
C/2001 Q4 (NEAT)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2003 09 08 04 33.13 -53 27.9 3.355 3.658 99.4 15.8 11.8
2003 09 18 04 37.84 -57 19.1 3.230 3.548 100.2 16.2 11.5
2003 09 28 04 39.90 -61 20.7 3.123 3.437 99.7 16.7 11.3
2003 10 08 04 37.99 -65 25.5 3.034 3.325 98.1 17.3 11.1
2003 10 18 04 30.02 -69 24.7 2.962 3.212 95.3 18.0 10.9
2003 10 28 04 12.6 -73 06.8 2.905 3.097 91.6 18.7 10.7
2003 11 07 03 40.9 -76 15.8 2.860 2.982 87.3 19.4 10.5
2003 11 17 02 50.3 -78 30.6 2.821 2.865 82.5 20.0 10.3
2003 11 27 01 44.4 -79 28.7 2.785 2.747 77.6 20.5 10.1
2003 12 07 00 40.3 -79 05.9 2.747 2.628 72.7 21.0 9.9
2003 12 17 23 53.3 -77 45.1 2.703 2.508 68.1 21.4 9.7
2003 12 27 23 24.9 -75 55.5 2.649 2.387 64.0 21.7 9.4
2004 01 06 23 10.3 -73 57.7 2.580 2.265 60.6 22.2 9.1
2004 01 16 23 04.8 -72 02.9 2.495 2.142 57.9 22.9 8.8
2004 01 26 23 05.5 -70 17.3 2.390 2.018 56.3 24.0 8.4
2004 02 05 23 10.52 -68 44.6 2.264 1.894 55.8 25.5 8.0
2004 02 15 23 19.06 -67 27.2 2.115 1.770 56.3 27.7 7.6
2004 02 25 23 30.81 -66 27.5 1.942 1.647 58.0 30.6 7.1
2004 03 06 23 46.08 -65 47.9 1.746 1.526 60.5 34.5 6.5
2004 03 16 00 06.14 -65 30.4 1.526 1.408 63.9 39.4 5.9
The "original" and "future" barycentric values of 1/a are +0.000037
and -0.000708 (+/- 0.000003) AU**-1, respectively.
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-R40
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