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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-D16 : 2002 GN5

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M.P.E.C. 2004-D16                                Issued 2004 Feb. 20, 19:48 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.

         Supported in part by the Steven and Michele Kirsch Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2002 GN5

                           Revision to MPEC 2002-G54

Additional Observations:
     K02G05N  C2002 03 19.52873 12 56 26.42 +20 13 52.6          20   R ED016644
     K02G05N  C2002 03 19.54034 12 56 26.80 +20 13 34.6                 ED016644
     K02G05N  C2004 02 18.02178 09 24 30.57 +42 00 55.2          20.5 R ED016493
     K02G05N  C2004 02 18.02869 09 24 29.99 +42 00 57.3          20.2 R ED016493
     K02G05N  C2004 02 18.03715 09 24 29.28 +42 00 58.9          20.5 R ED016493
     K02G05N  C2004 02 18.95187 09 23 24.87 +42 04 24.8          20.8 R ED016493
     K02G05N  C2004 02 18.95517 09 23 24.62 +42 04 25.4          20.8 R ED016493
     K02G05N  C2004 02 18.95844 09 23 24.35 +42 04 26.1          20.4 R ED016493

Observer details:
493 Calar Alto.  Observers M. Buchmann, M. Busch, F. Hormuth.  1.52-m
    reflector + CCD.
644 Palomar Mountain/NEAT.  Observers E. F. Helin, S. Pravdo, K. Lawrence,
    M. Hicks, R. Thicksten, E. Hovland, T. Bickler, J. Schroeder, L. Scherr,
    A. Deetz.  Measurers K. Sarneczky, B. Sipocz.  1.2-m Oschin Schmidt + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020319 644  0.7-  0.2-    040218 493 57.7- 11.1+    MPO 31991   +0.0054 day

Orbital elements:
2002 GN5
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M  42.60026              (2000.0)            P               Q
n   0.48535540     Peri.  162.83852     -0.96042557     +0.27236593
a   1.6036003      Node    33.14405     -0.26643306     -0.83730096
e   0.2900304      Incl.    6.12172     -0.08121671     -0.47407162
P   2.03           H   22.2           G   0.15           U   2
Residuals in seconds of arc
020319 644  0.6-  0.1-    020412 422  1.2+  1.0-    020423 413  0.1-  0.3-
020319 644  0.0   0.3+    020412 422  1.1+  0.7+    020423 413  0.0   0.5-
020411 704  0.5+  0.7+    020415 649  0.5+  0.2-    020423 413  0.3+  0.2-
020411 704  0.6-  0.4-    020415 649  0.5+  0.0     020501 413  0.2+  1.0-
020411 704  0.6-  1.5-    020415 649  0.1-  0.4-    020501 413  0.6+  0.3-
020411 704  0.7-  0.3+    020416 704  0.4+  0.6+    020501 413  0.0   0.1+
020411 704  0.3-  0.3-    020416 704  0.7+  0.3+    020510 649  0.1-  0.1-
020412 704  0.3-  0.3-    020416 704  0.1-  0.8+    020510 649  0.7-  0.4+
020412 704  0.5-  0.5+    020416 704  0.2+  0.2-    020510 649  0.7-  0.1+
020412 704  0.3-  0.8-    020416 704  0.5+  0.4+    020605 413  0.0   0.3-
020412 704  0.6-  0.1+    020422 649  0.6-  0.0     020605 413  0.3+  0.2-
020412 704  0.1-  0.0     020422 649  0.7-  0.1-    020605 413  0.3-  0.2+
020412 704  0.4-  0.9+    020422 649  0.3-  0.3+    020605 413  0.4-  0.3+
020412 704  0.4+  0.2-    020422 644  0.2+  0.5+    040218 493  0.1+  0.3-
020412 704  0.4+  0.1-    020422 644  0.0   0.7+    040218 493  0.2+  0.3+
020412 651  0.2-  0.2+    020422 644  0.4+  0.1+    040218 493  0.3+  0.0
020412 651  0.3+  0.2+    020422 413  0.1+  0.0     040218 493  0.5-  0.0
020412 651  0.0   0.5+    020422 413  0.2+  0.4-    040218 493  0.1-  0.2-
020412 422  0.4-  0.2-    020422 413  0.1-  0.2-    040218 493  0.0   0.2-

Ephemeris:
2002 GN5                 a,e,i = 1.60, 0.29, 6                   q = 1.1385
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 02 15    09 28.13   +41 44.4    0.295    1.253   150.8    22.6    21.1
2004 02 25    09 16.60   +42 07.6    0.275    1.222   143.6    28.8    21.1
2004 03 06    09 08.91   +40 56.1    0.262    1.194   135.9    35.3    21.1
2004 03 16    09 08.21   +38 13.5    0.255    1.172   129.0    41.3    21.2
2004 03 26    09 15.51   +34 09.5    0.251    1.155   123.3    46.2    21.3
2004 04 05    09 30.24   +28 55.3    0.250    1.143   119.2    49.8    21.3
2004 04 15    09 50.76   +22 43.0    0.253    1.139   116.5    52.1    21.4
2004 04 25    10 15.64   +15 47.2    0.260    1.140   115.0    53.1    21.5
2004 05 05    10 43.64   +08 29.9    0.273    1.149   114.4    53.1    21.6
2004 05 15    11 13.60   +01 18.0    0.294    1.163   114.3    52.4    21.8
2004 05 25    11 44.85   -05 24.2    0.323    1.184   114.4    51.2    22.0

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-D16

Read MPEC 2004-D15 Read MPEC 2004-D17


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