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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-D01 : 2002 DH2

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M.P.E.C. 2005-D01                                Issued 2005 Feb. 16, 04:36 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 Brinson 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 DH2

                           Revision to MPEC 2002-D19

Additional Observations:
     K02D02H 9C2005 02 12.29089 15 24 01.46 -19 46 28.6          21.5 R ED001809
     K02D02H 9C2005 02 12.29620 15 24 03.35 -19 46 53.4          21.1 R ED001809
     K02D02H 9C2005 02 14.27417 15 36 27.72 -22 25 11.0          21.3 R ED001809
     K02D02H 9C2005 02 14.28032 15 36 29.99 -22 25 40.3          21.1 R ED001809
     K02D02H 9C2005 02 14.28669 15 36 32.36 -22 26 10.2          21.3 R ED001809

Observer details:
809 European Southern Observatory, La Silla.  Observer A. Boattini.  Measurers
    A. Boattini, H. Scholl, G. Forti.  2.2-m f/5.9 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
050212 809 0.04+ 0.04-    050214 809 0.04+ 0.04-    MPO 41764   -0.031 day

Orbital elements:
2002 DH2
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
M 341.76325              (2000.0)            P               Q
n   0.33579647     Peri.  231.53500     -0.78231851     +0.61665181
a   2.0499911      Node   345.80383     -0.39868383     -0.60409774
e   0.5422924      Incl.   20.99168     -0.47856969     -0.50478359
P   2.94           H   20.3           G   0.15           U   1
Residuals in seconds of arc
020220 699  0.2-  0.1-    020304 557  0.1+  0.1-    020308 198  0.2+  1.0+
020220 699  1.2-  0.1+    020304 557  0.1-  0.2-    020309 232  1.4-  1.0+
020220 699  0.4-  0.1+    020304 560  0.4+  0.0     020309 232  1.5-  0.1+
020220 699  0.6-  0.0     020304 560  0.0   0.1+    020309 232 (1.3-  3.2-)
020221 966  0.0   0.1+    020304 560  0.3+  0.2-    020309 232  1.0-  0.3-
020221 966  0.2+  0.2-    020304 560  0.4+  0.4-    020309 232  1.7-  0.5+
020221 966  0.0   0.0     020304 560  0.1-  0.1+    020309 232  0.2+  1.0-
020221 966  0.1+  0.2+    020305 699  0.1-  0.1-    020309 670  0.2-  0.2-
020221 966  0.2+  0.1-    020305 699  0.3+  0.1+    020309 670  0.1+  0.0
020221 966  0.1+  0.0     020305 699  0.4+  0.4-    020309 670  0.7+  0.4-
020221 651  0.1+  0.0     020305 699  0.1-  0.0     020309 939  0.4+  1.8+
020221 651  0.4+  0.1+    020305 608 (2.6-  8.6-)   020309 939  0.2+  0.6+
020221 651  0.3+  0.0     020305 608 (2.9-  8.7-)   020309 939  0.4+  0.8+
020221 649  0.1+  0.2-    020305 608 (3.1-  8.8-)   020309 939  0.1-  0.4-
020221 448  0.4-  0.3-    020305 322  0.2+  0.6-    020309 939  0.2-  0.9-
020221 649  0.1+  0.0     020305 322  0.1+  1.6-    020310 428  0.3+  0.9-
020221 448  0.4-  1.7-    020305 322  0.3-  0.1+    020310 428  0.7-  0.2+
020221 704  0.1+  0.2-    020305 322  0.8-  0.3+    020310 428  0.5-  0.6-
020221 649  0.0   0.0     020305 322  1.7-  0.4-    020310 428  0.6-  1.1-
020221 448  0.5-  0.7-    020305 322  0.4-  1.0+    020311 422  0.0   0.1-
020221 704  0.0   0.2-    020305 639  0.0   0.8-    020311 422  0.2-  0.2-
020221 678  0.1-  1.2-    020305 639  1.9+  0.6+    020311 422  0.3-  0.4-
020221 704  0.6-  0.1+    020305 639  0.0   0.1-    020311 428  0.5+  0.8-
020221 678  0.2-  0.2-    020305 639  0.4+  0.7+    020311 428  0.0   0.8-
020221 704  0.5-  0.1-    020306 118  0.0   0.2+    020311 428  0.1-  0.5+
020221 678  0.5-  1.1-    020306 118  0.1-  0.2-    020311 118  0.1+  0.1+
020221 704  0.4-  0.0     020306 118  0.5-  0.3-    020311 118  0.1-  0.1-
020221 611  1.8+  1.0-    020306 118  0.4-  0.1+    020311 118  0.4-  0.2+
020221 611  0.2-  0.7-    020306 649  0.3-  0.5+    020312 670  0.0   0.2-
020221 611  0.1-  0.8+    020306 649  0.3+  0.3+    020312 670  0.2+  0.1-
020224 670  0.7+  1.2+    020306 649  0.4+  0.3-    020312 926  0.6-  0.6-
020224 670  0.7+  0.6+    020306 413  0.1+  0.0     020312 926  0.6+  0.3-
020224 670  0.3-  0.0     020306 413  0.1+  0.1+    020312 926  0.5-  0.0
020224 046  0.5+  0.3+    020306 413  0.1-  0.2+    020312 926  0.2-  0.3-
020224 046  0.5+  0.8+    020307 413  0.2+  0.2-    020312 670  0.7-  0.3-
020224 046  0.6+  0.7+    020307 413  0.3+  0.1-    020312 670  0.5+  1.0+
020224 046  0.6+  1.2+    020307 413  0.2+  0.0     020312 118  0.2+  0.4+
020303 670  0.5+  0.6+    020307 113  0.3+  0.5+    020312 118  0.1+  0.2-
020303 670  0.0   0.5-    020307 113  0.8+  0.7+    020312 118  0.6+  0.4+
020303 649  0.1+  0.3+    020307 113  0.3-  0.4-    020312 118  0.3+  0.4+
020303 649  0.1+  0.1+    020307 113  0.4+  0.1+    020312 118  0.0   0.1+
020303 649  0.3+  0.3+    020307 560  1.8+  1.3-    020315 428  1.0-  0.6-
020303 670  0.7+  0.2-    020307 560 (2.2+  2.9-)   020315 428  0.4-  0.9-
020304 198  0.0   1.0+    020307 560  0.1+  0.4-    020315 422  0.5+  0.4+
020304 198  0.1+  0.0     020308 355  0.1-  0.2-    020315 422  0.3+  0.2+
020304 198  0.1-  0.1-    020308 355  0.0   0.0     020315 422  0.2+  0.5+
020304 198  0.1-  0.0     020308 355  0.3-  0.7-    020403 413  0.2+  0.2-
020304 198  0.1+  0.3+    020308 355  0.1-  0.6-    020403 413  0.1-  0.2-
020304 726  0.1+  0.6-    020308 198  0.3+  0.3+    020608 809  0.5-  0.2-
020304 726  0.5-  0.1+    020308 198  0.5+  0.9+    020608 809  0.2-  0.2-
020304 726  0.2+  1.0-    020308 198  0.2+  1.0+    020608 809  0.3-  0.1-
020304 215  0.0   0.2-    020308 198  0.1+  0.9+    050212 809  0.7+  0.6-
020304 215  0.1+  0.2-    020308 587  0.5-  0.3+    050212 809  0.2+  0.2+
020304 215  0.1+  0.1-    020308 587  0.5-  0.3+    050214 809  0.7+  0.5-
020304 557  0.3+  0.2-    020308 587  0.2-  0.6+    050214 809  0.4-  0.0
020304 557  0.1+  0.1-    020308 198  0.1+  0.8+    050214 809  1.2-  0.9+
020304 557  0.1+  0.1-    020308 198  0.2+  0.7+

Ephemeris:
2002 DH2                 a,e,i = 2.05, 0.54, 21                  q = 0.9383
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 02 09    15 04.69   -15 26.1    0.439    1.095    92.2    64.2    21.0
2005 02 19    16 08.64   -28 37.2    0.414    1.037    84.8    71.7    21.0
2005 03 01    17 28.21   -39 38.0    0.429    0.990    77.3    77.6    21.2
2005 03 11    18 55.43   -45 40.0    0.477    0.957    71.6    80.2    21.4
2005 03 21    20 14.72   -46 54.1    0.543    0.940    68.1    79.5    21.6
2005 03 31    21 17.40   -45 12.9    0.618    0.941    66.4    76.6    21.8
2005 04 10    22 04.56   -42 12.4    0.691    0.960    66.2    72.6    22.0

                       (Last issue was M.P.E.C. 2005-C65)

Kyle E. Smalley              (C) Copyright 2005 MPC           M.P.E.C. 2005-D01

Read MPEC 2005-C65 Read MPEC 2005-D02


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