MPEC 1995-F01 : COMET 73P/SCHWASSMANN-WACHMANN 3
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Read MPEC 1995-E16
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M.P.E.C. 1995-F01 Issued 1995 Mar. 18, 20:09 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
COMET 73P/SCHWASSMANN-WACHMANN 3
Observations:
0073P C1994 12 28.03183 10 29 24.12 +23 50 48.9 22 T 493
0073P C1994 12 28.11329 10 29 24.00 +23 51 18.5 493
0073P C1994 12 28.24135 10 29 23.74 +23 52 03.6 493
0073P C1994 12 29.03920 10 29 22.76 +23 56 52.0 493
0073P C1994 12 29.07865 10 29 22.68 +23 57 05.9 493
0073P C1994 12 29.12866 10 29 22.51 +23 57 24.1 493
0073P C1994 12 29.22731 10 29 22.15 +23 58 00.1 493
0073P C1995 01 28.30677 10 15 12.56 +28 07 43.1 20.9 T 691
0073P C1995 01 28.31394 10 15 12.14 +28 07 47.4 21.4 T 691
0073P C1995 01 28.32170 10 15 11.64 +28 07 52.0 21.1 T 691
Observer details:
493 Estacion Astronomica de Calar Alto. Observers K. Birkle, H. Boehnhardt,
G. Schwehm. 3.5-reflector.
691 Steward Observatory, Kitt Peak. Observers S. M. Larson, C. W.
Hergenrother. 2.3-m Steward reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees)
941228 493 0.03- 0.01+ 950128 691 0.03- 0.01+ MPC 20123
Orbital elements:
73P/Schwassmann-Wachmann 3
Epoch 1995 Oct. 10.0 TT = JDT 2450000.5
T 1995 Sept. 22.91209 TT Marsden
q 0.9327878 (2000.0) P Q
n 0.18440994 Peri. 198.77564 -0.02829130 +0.98213235
a 3.0568901 Node 69.94646 -0.88989023 +0.06003094
e 0.6948573 Incl. 11.42358 -0.45529658 -0.17836011
P 5.34
From 63 observations 1979-1995, mean residual 0".88. Nongravitational
parameters A1 = -0.03 +/- 0.06, A2 = +0.0557 +/- 0.0006.
Ephemeris:
73P/Schwassmann-Wachmann 3
Date TT R. A. (2000) Decl. Delta r Elong. Phase m2
1995 03 14 09 18.43 +33 20.1 1.651 2.465 135.9 16.3 20.9
1995 03 24 09 08.25 +33 23.0 1.667 2.382 124.9 20.1 21.0
1995 04 03 09 01.53 +33 01.2 1.697 2.298 114.4 23.3 21.1
1995 04 13 08 58.68 +32 19.3 1.734 2.212 104.7 26.0 21.1
1995 04 23 08 59.64 +31 21.6 1.774 2.125 95.7 28.1 21.1
1995 05 03 09 04.14 +30 10.6 1.812 2.036 87.5 29.6 21.1
1995 05 13 09 11.84 +28 47.7 1.845 1.945 80.1 30.8 21.1
1995 05 23 09 22.33 +27 13.0 1.869 1.853 73.3 31.6 21.0
1995 06 02 09 35.32 +25 25.7 1.884 1.759 67.2 32.1 21.0
1995 06 12 09 50.53 +23 24.6 1.887 1.665 61.7 32.5 20.9
1995 06 22 10 07.76 +21 07.8 1.878 1.570 56.7 32.8 20.7
1995 07 02 10 26.92 +18 33.1 1.857 1.475 52.4 33.1 20.6
1995 07 12 10 47.93 +15 38.2 1.824 1.381 48.6 33.5 20.4
1995 07 22 11 10.82 +12 20.7 1.780 1.289 45.4 34.2 20.2
1995 08 01 11 35.72 +08 38.1 1.726 1.202 42.9 35.1 20.0
1995 08 11 12 02.83 +04 28.7 1.665 1.121 41.1 36.5 19.8
1995 08 21 12 32.45 -00 08.4 1.598 1.050 40.1 38.3 19.7
1995 08 31 13 05.05 -05 11.5 1.528 0.992 39.8 40.7 19.5
1995 09 10 13 41.20 -10 35.0 1.460 0.952 40.4 43.3 19.4
1995 09 20 14 21.62 -16 07.3 1.399 0.934 41.8 45.8 19.3
1995 09 30 15 07.08 -21 29.1 1.351 0.939 44.0 47.8 19.3
1995 10 10 15 57.96 -26 13.4 1.320 0.966 46.7 48.8 19.4
1995 10 20 16 53.72 -29 49.3 1.314 1.014 49.8 48.6 19.4
1995 10 30 17 52.29 -31 51.7 1.336 1.078 52.7 47.1 19.6
1995 11 09 18 50.27 -32 12.1 1.385 1.154 55.1 44.8 19.7
1995 11 19 19 44.36 -31 02.5 1.463 1.238 56.8 41.9 19.9
1995 11 29 20 32.66 -28 47.8 1.564 1.327 57.5 38.8 20.1
1995 12 09 21 14.76 -25 54.2 1.686 1.420 57.3 35.7 20.4
1995 12 19 21 51.29 -22 42.4 1.824 1.514 56.1 32.6 20.6
1995 12 29 22 23.23 -19 25.9 1.974 1.609 54.1 29.7 20.8
1996 01 08 22 51.50 -16 12.8 2.133 1.704 51.5 26.8 21.0
(Last issue was M.P.E.C. 1995-E16)
Brian G. Marsden M.P.E.C. 1995-F01
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