MPEC 1995-J01 : 1993 XN2
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M.P.E.C. 1995-J01 Issued 1995 May 4, 13:32 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
1993 XN2
Revision to MPEC 1994-A07
Observations:
J93X02N C1995 03 22.64397 13 47 43.94 +17 53 18.0 413
J93X02N C1995 03 22.65213 13 47 43.50 +17 53 20.8 413
J93X02N C1995 04 01.43907 13 37 31.41 +18 47 12.0 20.7 R 693
J93X02N C1995 04 01.44223 13 37 31.14 +18 47 13.2 21.1 R 693
J93X02N C1995 04 01.46332 13 37 29.79 +18 47 18.7 21.2 R 693
Observer details:
413 Siding Spring Observatory. Observers R. H. McNaught, G. J. Garradd.
Measurers G. J. Garradd, R. H. MaNaught, D. J. Asher.
1.0-m reflector + CCD.
693 Catalina Station, Tucson. Observers S. M. Larson, C. W. Hergenrother.
Measurer C. W. Hergenrother. 1.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc
950322 413 12.3+ 9.8- 950401 693 12.8+ 10.1- MPC 23350
Orbital elements:
1993 XN2
Epoch 1995 Mar. 24.0 TT = JDT 2449800.5 Williams
M 172.34431 (2000.0) P Q
n 0.31991010 Peri. 312.90527 +0.91458871 -0.16224545
a 2.1173082 Node 59.74830 +0.35862486 +0.74867852
e 0.5356528 Incl. 25.39174 -0.18685743 +0.64277281
P 3.08 H 16.0 G 0.15 U 3
Residuals in seconds of arc
931210 675 0.3- 0.8+ 940107 675 0.0 0.5- 940208 658 0.0 0.4-
931210 675 0.4+ 1.0+ 940107 675 1.0- 0.5- 940208 658 0.5+ 0.1-
931211 675 0.3- 0.1+ 940108 675 (0.5- 3.0-) 940305 658 0.1- 0.3+
931211 675 0.3- 0.0 940108 675 0.5- 1.5- 940305 658 0.1+ 0.0
940103 675 0.8- 0.1- 940108 385 0.0 0.3+ 940305 658 0.2+ 0.2+
940103 675 (1.7+ 3.6-) 940108 385 0.3+ 0.9+ 940305 658 0.0 0.2+
940103 675 1.2+ 1.0- 940108 385 0.1- 0.3+ 950322 413 0.1- 0.4+
940104 675 0.3+ 0.4- 940114 658 0.3- 0.9+ 950322 413 0.5+ 0.2+
940104 675 0.7+ 1.4- 940114 658 0.3- 0.9+ 950401 693 0.3+ 0.1-
940106 675 1.0+ 0.6- 940114 658 0.3- 0.9+ 950401 693 0.5- 0.3+
940106 675 0.7+ 0.9- 940208 658 0.3+ 0.5+ 950401 693 0.4+ 0.1-
Ephemeris:
1993 XN2 a,e,i = 2.12, 0.54, 25 q = 0.9832
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1995 05 03 13 02.96 +19 26.3 2.431 3.250 137.8 12.0 21.2
1995 05 13 12 54.46 +18 51.5 2.515 3.246 128.9 14.0 21.4
1995 05 23 12 48.06 +17 58.1 2.618 3.242 119.7 15.7 21.5
1995 06 02 12 43.93 +16 49.9 2.735 3.236 110.7 17.0 21.6
1995 06 12 12 42.03 +15 30.5 2.860 3.228 102.0 17.9 21.8
1995 06 22 12 42.19 +14 03.1 2.991 3.219 93.6 18.4 21.9
(Last issue was M.P.E.C. 1995-H03)
Gareth V. Williams M.P.E.C. 1995-J01
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