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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-U41 : 2001 MR3

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M.P.E.C. 2005-U41                                Issued 2005 Oct. 24, 23:06 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
                  Supported in part by the TABASGO Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                   2001 MR3

                           Revision to MPEC 2001-M29

Additional Observations:
     K01M03R HC2005 10 23.44119 02 52 26.01 +16 44 35.1                 EU041291
     K01M03R HC2005 10 23.44853 02 52 25.41 +16 44 31.9                 EU041291
     K01M03R HC2005 10 24.29204 02 51 26.46 +16 38 38.9                 EU041291
     K01M03R HC2005 10 24.29940 02 51 25.95 +16 38 36.4                 EU041291
     K01M03R HC2005 10 24.30676 02 51 25.36 +16 38 32.7                 EU041291

Observer details:
291 LPL/Spacewatch II.  Observer M. Block.  1.8-m f/2.7 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
051023 291 31.2+  7.8+    051024 291 30.3+  7.1+    MPO 57830   -0.025 day

Orbital elements:
2001 MR3
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5                 MPC
M  49.26992              (2000.0)            P               Q
n   0.27098755     Peri.   58.36870     +0.16243446     +0.98540452
a   2.3650291      Node   221.07725     -0.92951776     +0.13549824
e   0.4540760      Incl.    4.44470     -0.33107669     +0.10304447
P   3.64           H   19.1           G   0.15           U   2
Residuals in seconds of arc
010621 704  1.0+  0.2-    010622 658  0.1-  0.3-    010717 157  0.2+  0.1+
010621 704  0.2-  0.1-    010622 422 (0.3- 46.1+)   010717 157  0.5-  0.2-
010621 704  0.3-  0.3+    010622 157  1.0-  1.8-    010717 157  0.5-  0.2-
010621 704  0.4-  0.4+    010622 157  0.8-  0.1+    010722 360  0.0   0.2+
010621 151  0.9+  0.7+    010622 157  0.1+  0.3-    010722 360  0.2-  0.1+
010621 151  0.5-  0.2+    010623 198  0.0   0.2+    010722 360  0.2-  0.1+
010621 557  0.3+  1.5+    010623 670  0.0   0.2+    010722 587  1.2+  1.7+
010621 557  0.4-  1.9+    010623 670  0.5+  0.4+    010722 587  1.2-  0.4+
010621 118  0.8+  0.4-    010623 670  0.8-  0.3-    010723 670  0.2+  0.7+
010621 470  1.3+  1.0+    010623 428  0.1+  1.4-    010730 413  0.2-  0.3-
010621 165  0.8-  0.7-    010625 587  0.0   0.3+    010730 413  0.2-  0.2-
010621 118  0.4+  0.1-    010625 587  0.3-  0.2-    010731 413  0.3-  0.2-
010621 118  0.9+  0.2+    010625 046  0.2-  0.2+    010731 413  0.2-  0.2-
010621 165  0.1-  1.0-    010625 046  0.8-  0.7+    010731 413  0.2-  0.3-
010621 470 (1.3-  2.0-)   010625 046  0.2+  0.3+    010807 649  0.1+  0.6+
010621 165  0.5-  0.7-    010625 046  0.2-  0.1-    010807 649  0.1-  0.1+
010621 165  0.9-  1.2-    010625 118  0.2-  0.3+    010807 413  0.0   0.1+
010621 493  0.1+  0.1+    010625 118  0.5-  0.2+    010807 413  0.1+  0.2-
010621 198  0.3-  0.1-    010625 118  0.1-  0.3+    010824 704  0.2-  0.0
010621 493  0.2+  0.0     010626 198  0.4-  0.1+    010824 704  0.5+  0.9-
010622 808  0.8-  1.0+    010702 688  0.3+  0.4-    010824 704  0.3+  0.0
010622 844  0.2+  0.2-    010702 688  0.3+  0.3-    010824 704  0.3+  0.8-
010622 649  0.2-  0.0     010702 688  0.0   0.1+    010826 608  0.0   0.5+
010622 844  0.0   0.1-    010703 413  0.2-  0.3-    010826 608  0.4-  0.2+
010622 649  0.2+  0.1+    010703 413  0.1-  0.4-    010826 608  0.4+  0.3-
010622 844  0.3-  0.3-    010703 413  0.2-  0.6-    010826 608  0.4+  0.1-
010622 649  0.3-  0.2-    010709 649  0.1+  0.1-    010826 608  0.3+  0.1+
010622 808 (0.1-  2.0-)   010709 649  0.4+  0.4-    010826 608  0.2+  0.4-
010622 918  1.3+  0.8+    010709 649  0.2+  0.4-    051023 291  0.5+  0.8+
010622 918  1.1+  0.5+    010713 670  0.3+  0.1+    051023 291  0.6-  0.7+
010622 918  1.4+  0.2+    010714 118  0.4-  0.8-    051024 291  0.1-  0.1+
010622 658  0.3+  0.3+    010714 118 (2.4-  1.0-)   051024 291  0.2+  0.7+
010622 658  0.5+  0.2+    010717 670  0.2+  0.0     051024 291  0.6-  0.0

Ephemeris:
2001 MR3                 a,e,i = 2.37, 0.45, 4                   q = 1.2911
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 10 17    02 59.74   +17 27.7    1.448    2.394   156.1     9.7    22.4
2005 10 27    02 48.24   +16 19.5    1.460    2.443   169.0     4.4    22.3
2005 11 06    02 36.46   +15 07.6    1.501    2.492   177.9     0.8    22.1
2005 11 16    02 25.79   +13 59.7    1.571    2.539   165.0     5.8    22.6

Kyle E. Smalley              (C) Copyright 2005 MPC           M.P.E.C. 2005-U41

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