MPEC 1997-T03 : COMET P/1996 N2 = 1979 OW7 (ELST-PIZARRO)
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M.P.E.C. 1997-T03 Issued 1997 Oct. 4, 14:09 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
URL http://cfa-www.harvard.edu/iau/mpc.html
COMET P/1996 N2 = 1979 OW7 (ELST-PIZARRO)
Observations:
PJ96N020 PC1997 10 03.37806 03 49 13.73 +18 22 20.1 20.4 T 709
PJ96N020 PC1997 10 03.41009 03 49 13.27 +18 22 21.3 21.1 T 709
PJ96N020 C1997 10 04.28390 03 48 58.99 +18 21 05.6 19.3 T 709
PJ96N020 C1997 10 04.31407 03 48 58.46 +18 21 02.9 19.5 T 709
Observer details:
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD. No
trace of coma or tail on Oct. 4 to at least 1.0-1.5 mag fainter than
the object itself.
Orbital elements:
P/1996 N2 = 1979 OW7 (Elst-Pizarro)
Epoch 1996 Apr. 27.0 TT = JDT 2450200.5
T 1996 Apr. 18.4810 TT Marsden
q 2.627701 (2000.0) P Q
n 0.1757755 Peri. 133.3315 +0.4003485 +0.9163267
a 3.156195 Node 160.2640 -0.8475829 +0.3736689
e 0.167446 Incl. 1.3845 -0.3483164 +0.1439339
P 5.61
From 159 observations 1979-1997, mean residual 0".6.
Ephemeris:
P/1996 N2 = 1979 OW7 (Elst-Pizarro)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
1997 09 29 03 50.17 +18 27.7 2.570 3.267 126.5 14.3 20.4
1997 10 09 03 47.40 +18 13.7 2.479 3.282 137.1 12.0 20.3
1997 10 19 03 42.54 +17 53.2 2.409 3.297 148.1 9.2 20.1
1997 10 29 03 35.93 +17 27.1 2.362 3.312 159.7 6.0 19.9
1997 11 08 03 28.14 +16 57.0 2.343 3.326 171.5 2.5 19.7
1997 11 18 03 19.94 +16 25.6 2.354 3.340 175.7 1.3 19.7
1997 11 28 03 12.12 +15 55.7 2.395 3.355 164.0 4.6 19.9
1997 12 08 03 05.41 +15 30.5 2.465 3.369 152.3 7.8 20.2
1997 12 18 03 00.37 +15 12.6 2.561 3.382 140.9 10.6 20.4
1997 12 28 02 57.32 +15 03.5 2.679 3.396 129.9 12.8 20.5
1998 01 07 02 56.37 +15 03.7 2.815 3.409 119.5 14.5 20.7
1998 01 17 02 57.50 +15 13.0 2.963 3.422 109.7 15.7 20.9
1998 01 27 03 00.56 +15 30.3 3.119 3.434 100.3 16.4 21.0
1998 02 06 03 05.38 +15 54.4 3.279 3.447 91.4 16.6 21.2
1998 02 16 03 11.74 +16 24.0 3.440 3.459 82.9 16.5 21.3
1998 02 26 03 19.45 +16 57.4 3.598 3.471 74.7 16.0 21.4
1998 03 08 03 28.33 +17 33.4 3.750 3.482 66.9 15.2 21.4
1998 03 18 03 38.21 +18 10.6 3.894 3.493 59.3 14.2 21.5
1998 03 28 03 48.94 +18 47.9 4.029 3.504 52.0 13.0 21.5
1998 04 07 04 00.40 +19 24.2 4.152 3.515 45.0 11.6 21.5
1998 04 17 04 12.45 +19 58.8 4.261 3.525 38.0 10.1 21.5
1998 04 27 04 25.00 +20 30.8 4.357 3.535 31.3 8.5 21.5
H. Boehnhardt, European Southern Observatory, observed this object with
the 2.2-m reflector at La Silla on Oct. 1 and confirms that it was of
completely stellar appearance (R = 20.9).
Brian G. Marsden (C) Copyright 1997 MPC M.P.E.C. 1997-T03
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