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Minor Planet Center

MPEC 2000-E61 : 1998 QH2

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M.P.E.C. 2000-E61                                Issued 2000 Mar. 15, 20:43 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

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

                                   1998 QH2

                           Revision to MPEC 1998-Q21

Observations:
     J98Q02H 1 1996 06 23.39306 20 49 04.26 +87 54 13.3                      675
     J98Q02H 1 1996 06 23.42778 20 48 06.35 +87 53 50.8                      675

Observer details:
675 Palomar Mountain.  Trail located and measured by A. Boattini, G. Forti,
    M. Tombelli, L. Tesi.  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
960623 675 0.19- 0.33+    960623 675 0.19- 0.33+    MPC 33080   +0.48 day

Orbital elements:
1998 QH2
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5                 Williams
M 102.20130              (2000.0)            P               Q
n   0.57868437     Peri.   13.88469     -0.97509649     +0.14552857
a   1.4261818      Node   168.96998     -0.01781332     -0.80355689
e   0.3623722      Incl.   61.01338     +0.22106451     +0.57716355
P   1.70           H   16.1           G   0.15           U   4
Residuals in seconds of arc
960623 675  0.3+  0.8-    980824 658  0.4-  0.4-    980914 704 (3.3-  2.2+)
960623 675  0.5-  0.7+    980824 658  0.0   0.6-    980914 704  0.3+  0.7+
980820 699  0.9+  0.7+    980825 360  0.1+  0.1+    980917 360  0.6-  0.2-
980820 699  0.0   0.9+    980825 360  0.0   0.2-    980917 360  0.6-  0.2+
980820 699  1.2+  0.9+    980825 360  0.1+  0.1-    980917 360  0.4-  0.1+
980822 734  1.4+  0.9-    980826 557  0.1-  0.0     980918 704 (4.0-  0.8+)
980822 734  1.6+  0.6-    980826 557  0.1-  0.4+    980918 704  1.7-  0.2+
980822 734  1.2+  0.6+    980826 658  1.0-  0.2-    980918 704  0.0   0.7+
980822 734 (1.2+  2.3-)   980826 658  1.0-  0.0     980918 704  0.2-  0.7+
980822 402  0.4+  0.4-    980826 658  0.7-  0.2+    980918 704  0.3-  0.5+
980822 402  0.1-  0.1+    980827 658  0.7-  0.2-    980923 046  0.5+  0.4-
980822 402  0.6+  0.6+    980827 658  0.7-  0.3-    980923 046  0.6+  0.2+
980822 402  1.1+  0.1-    980827 658  0.5-  0.2-    980923 046  0.5+  0.0
980823 108  0.9+  1.3+    980829 734  1.2-  0.7-    980925 704  0.7+  0.0
980823 108  1.4-  0.5-    980829 734 (0.6+  3.2-)   980925 704  0.9+  0.2+
980823 108 (3.1-  2.3-)   980829 734  0.1+  0.6-    980925 704  1.5+  0.5-
980823 734  0.1-  0.9+    980831 046  0.0   0.8-    980925 704  0.8+  0.3-
980823 734 (0.1-  3.7+)   980831 046  0.0   0.4-    980925 704  1.8+  1.2-
980823 734  1.1-  0.2-    980831 046  0.1+  0.5-    980925 071 (2.2+  0.5-)
980823 711  0.3+  0.5+    980902 402  0.3+  0.9-    980925 071  0.5+  0.1-
980823 704  1.7-  1.2-    980902 402  0.0   0.8-    980925 071  0.5+  0.2+
980823 704  1.0-  1.6-    980902 402  0.0   1.0-    980925 071  1.8+  0.4+
980823 711  0.1-  0.0     980904 402  0.0   0.5-    980925 071 (2.6+  2.0-)
980823 711  0.4-  0.1-    980904 402  0.1-  0.1-    980925 071  0.2+  0.2-
980823 704  1.6+  1.2+    980904 402  0.7-  0.3-    980925 071  0.4-  0.6-
980823 704  1.8+  2.0+    980909 402  0.0   0.0     980927 422  1.1-  1.9+
980823 704 (1.5+  2.4+)   980909 402  0.0   0.5-    980927 422 (0.3-  2.3+)
980823 704  0.5+  0.5+    980909 402  0.5-  0.0     980927 422  0.7-  1.5+
980823 704 (1.1+  2.6+)   980912 402  0.6-  0.5+    981013 422  0.5-  0.8-
980823 704 (2.2-  2.3+)   980912 402  0.6-  0.2+    981013 422  0.6-  0.5-
980823 704  0.9-  0.1-    980912 402  0.5-  0.3+    981013 422  1.0-  0.6-
980823 704  0.2+  0.9+    980914 704  0.2+  0.1+
980824 658  0.2+  0.8-    980914 704  0.4-  0.7+

Gareth V. Williams           (C) Copyright 2000 MPC           M.P.E.C. 2000-E61

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