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IAU Minor Planet Center

Minor Planet Center

MPEC 2000-V24: 1999 XP35

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M.P.E.C. 2000-V24                                Issued 2000 Nov. 7, 17:48 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.

             Prepared using the Tamkin Foundation Computer Network

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

                                   1999 XP35

                           Revision to MPEC 1999-X16

Observations:
     J99X35P 1 1976 05 02.44988 11 10 44.27 -42 31 34.5                      260
     J99X35P 1 1976 05 02.48808 11 10 46.79 -42 30 18.3                      260
     J99X35P 1 1985 09 17.13750 19 36 17.06 +19 29 39.5                      261

Observer details:
260 Siding Spring-DSS.  Trail located and measured by DANEOPS (A. Gnadig).
    1.2-m Schmidt.
261 Palomar-DSS.  Trail located and measured by DANEOPS (A. Gnadig).
    1.2-m Schmidt.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
760502 260 72.7- 42.0+    850917 261 22.0- 25.3-    MPO  1549   +0.020 day

Orbital elements:
1999 XP35
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5                Williams
M 152.00372              (2000.0)            P               Q
n   0.57351686     Peri.  198.10785     -0.18122760     -0.91604539
a   1.4347358      Node   263.54279     +0.94094541     -0.05572061
e   0.1840922      Incl.   21.10508     +0.28596905     -0.39718516
P   1.72           H   18.9           G   0.15           U   3
Residuals in seconds of arc
760502 260  0.3+  2.9-    991207 587  1.1+  1.0-    991230 413  0.1-  0.3+
760502 260  2.5-  1.2-    991208 595  0.6+  0.8-    991230 413  1.2-  0.3-
850917 261  0.8-  0.5-    991208 595  0.5+  0.8+    000103 422  0.6-  0.7+
991206 704  0.0   0.4-    991208 595  0.3-  0.0     000103 422  0.7-  0.5+
991206 704  0.1+  0.6-    991208 704  0.9+  1.1-    000103 422  0.4-  0.5+
991206 704  0.1+  0.2-    991208 675  0.2-  1.4+    000103 413  0.4-  0.4+
991206 704  0.4+  0.1-    991208 675  0.4-  1.3+    000103 413  0.4-  0.4+
991206 704  0.5+  0.3-    991208 704  0.0   0.4+    000104 360  0.2-  0.1-
991207 719  2.7-  2.8+    991208 704  0.1+  0.8-    000104 360  0.8+  0.3-
991207 719  0.3+  0.7-    991208 704  0.1+  1.0-    000104 360  0.2+  0.2+
991207 704  0.2+  0.2-    991208 704  0.3+  0.2-    000115 422  0.8-  0.7+
991207 704  0.7-  0.2+    991209 675  1.2-  0.9+    000115 422  0.4-  0.7+
991207 704  0.0   0.4-    991209 675  0.7-  1.0+    000211 428  2.2-  0.7+
991207 704  0.1+  0.0     991213 703  1.1+  2.4-    000224 413  0.6-  1.3+
991207 704  0.1+  0.1-    991213 703  0.6+  0.9+    000224 413  0.6-  1.4+
991207 658  0.4+  0.5-    991213 703 (1.9-  3.0+)   000302 422 (7.1+  2.8-)
991207 658  0.5+  0.0     991213 703  0.2-  0.1+    000302 422 (6.3+  3.1-)
991207 658  0.5+  0.2-    991215 360  0.1+  0.2-    000302 422 (6.7+  4.1-)
991207 684  0.0   0.2-    991215 360  0.2+  0.2-    000304 474  1.0-  1.2+
991207 684  0.3-  0.3-    991215 360  0.1+  0.3-    000304 474  0.9-  1.3+
991207 402  0.3+  0.3-    991216 704  1.1-  0.1-    000304 474  1.4-  1.0+
991207 402  0.2-  0.6-    991216 704  1.0-  0.0     000612 413  0.9-  0.4+
991207 402  0.0   0.6-    991216 704  0.9-  0.4-    000612 413  2.7-  0.3-
991207 402  0.1+  0.4-    991216 704  1.4-  0.2-    000612 413  1.4-  0.5-
991207 587  1.5+  0.1-    991216 704  1.0-  0.2+

Timothy B. Spahr             (C) Copyright 2000 MPC           M.P.E.C. 2000-V24

Read MPEC 2000-V23 Read MPEC 2000-V25


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