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Minor Planet Center

MPEC 2002-Y25 : 2002 JM97

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M.P.E.C. 2002-Y25                                Issued 2002 Dec. 19, 17:26 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

                                   2002 JM97

                           Revision to MPEC 2002-J50

Additional Observations:
     K02J97M 2 1975 05 18.73792 20 29 32.49 -26 55 28.5                      260
     K02J97M 2 1975 05 18.81084 20 29 50.88 -26 56 26.2                      260
     K02J97M 2 1975 07 16.76935 00 52 16.45 -32 03 25.3                      260
     K02J97M 2 1975 07 16.80407 00 52 22.44 -32 03 19.4                      260

Observer details:
260 Siding Spring-DSS.  Trail located and measured by (M. Read, A. Boattini,
    G. Forti, G. D'Abramo.  1.2-m Schmidt.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
750518 260 0.63+ 0.06+    750716 260 0.39+ 0.59+    MPO 38335   -0.40 day

Orbital elements:
2002 JM97
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5                 MPC
M  28.91128              (2000.0)            P               Q
n   0.21815913     Peri.  235.70928     +0.48025266     +0.85454300
a   2.7328793      Node    64.18645     -0.71513221     +0.51202774
e   0.5410642      Incl.   12.69104     -0.50788119     +0.08708535
P   4.52           H   17.0           G   0.15           U   1
Residuals in seconds of arc
750518 260  0.2+  0.1+    020514 670  0.1+  1.1-    020702 413  0.0   0.1-
750518 260  0.4-  0.2+    020514 670  0.4+  0.6-    020702 413  0.0   0.1-
750716 260  0.4+  0.8-    020514 670  0.6+  0.2+    020702 413  0.1+  0.1-
750716 260  1.6+  0.3-    020514 428  0.7-  0.0     020720 428  0.5+  0.2-
020509 704  1.5+  0.8+    020514 428  0.0   0.3-    020720 428  0.3+  0.2-
020509 704 (2.4+  0.3-)   020515 322  0.3-  1.0-    020721 413  0.2+  0.1-
020509 704 (2.1+  0.2+)   020515 322  0.1-  0.1+    020721 413  0.2+  0.1-
020511 844  0.8+  0.9+    020523 670 (2.3-  0.3+)   020721 413  0.2+  0.1-
020511 844  0.7+  0.3+    020523 670  0.0   0.3+    020721 413  0.2+  0.1-
020511 844  0.4-  0.2+    020524 322  1.5-  0.5+    020721 413  0.1+  0.0
020511 704  0.7+  0.5+    020524 322  0.1+  0.7-    020813 322  0.0   0.1-
020511 844  0.4+  0.2+    020603 474  0.2-  0.2+    020813 322  0.1-  0.2-
020511 704  0.2+  0.0     020603 474  0.1-  0.1+    020813 322  0.0   0.2-
020511 858  0.4+  0.2+    020603 474  0.3-  0.1+    020818 322  0.0   0.2-
020511 858  0.3+  0.6-    020605 333  1.4-  0.5+    020818 322  0.1+  0.1-
020511 704  0.0   0.1-    020605 333  1.4+  0.2-    020818 322  0.0   0.1-
020511 858  0.9-  0.7+    020605 333  1.3-  1.0-    020902 428  0.3-  0.1+
020511 704  0.2+  0.0     020605 333  0.3+  1.0+    020902 428  0.0   0.3+
020511 704  0.2+  0.7-    020605 333  0.4-  0.6+    020910 428  0.8-  0.4+
020511 704  0.5+  0.1-    020605 413  0.0   0.1+    020910 428  0.6-  0.1+
020511 704  0.1+  0.5-    020605 413  0.0   0.1+    020910 428  0.5-  0.8+
020513 704  0.6+  0.3+    020605 413  0.0   0.0     021003 428  0.7+  0.1-
020513 704 (0.1-  2.4+)   020610 452  0.3-  0.3-    021003 428  0.2+  0.7+
020513 704  0.1+  0.5+    020610 452  0.7-  0.4+    021022 644  0.1+  0.1-
020513 704  0.4-  0.3+    020610 452  0.0   0.0     021022 644  0.0   0.1-
020513 704  0.8+  1.2+    020622 413  0.2+  0.1-    021022 644  0.0   0.2+
020513 704  0.0   0.4+    020622 413  0.2-  0.0     021029 428  0.3+  1.9+
020513 704  0.9-  0.9-    020622 413  0.1+  0.1-    021029 428  1.1+  1.8+
020513 704  1.0+  0.1-    020622 413  0.0   0.1-    021201 649  1.5-  0.8-
020513 704  0.6-  0.1+    020622 413  0.0   0.0     021201 649  0.7-  1.5-
020514 734  0.0   0.3-    020622 413  0.0   0.0     021201 649  0.7-  1.0-

Ephemeris:
2002 JM97                a,e,i = 2.73, 0.54, 13                  q = 1.2542
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2002 12 12    00 33.56   -05 48.6    1.495    1.997   105.5    28.4    20.6
2002 12 22    00 44.35   -03 05.2    1.667    2.064    99.0    28.1    20.9
2003 01 01    00 56.08   -00 31.9    1.846    2.130    92.6    27.5    21.2
2003 01 11    01 08.57   +01 52.5    2.029    2.196    86.2    26.5    21.4
2003 01 21    01 21.68   +04 08.8    2.214    2.261    80.0    25.4    21.7
2003 01 31    01 35.29   +06 17.4    2.399    2.325    73.8    24.0    21.9
2003 02 10    01 49.32   +08 19.0    2.583    2.388    67.6    22.5    22.0

Gareth V. Williams           (C) Copyright 2002 MPC           M.P.E.C. 2002-Y25

Read MPEC 2002-Y24 Read MPEC 2002-Y26


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