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  • MPEC 2001-N18 : 2001 MZ7

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    M.P.E.C. 2001-N18                                Issued 2001 July 7, 18:08 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
    
                                       2001 MZ7
    
                               Revision to MPEC 2001-M39
    
    Observations:
         K01M07Z 1 1978 10 25.60156 02 58 12.39 -32 25 51.3                      260
         K01M07Z 1 1978 10 25.65017 02 58 08.79 -32 26 26.5                      260
         K01M07Z 1A1992 09 04.67201 00 51 05.46 -26 46 13.8          17   V      413
         K01M07Z 1A1992 09 04.73451 00 51 02.70 -26 47 27.3                      413
         K01M07Z 1 1996 06 12.36111 17 21 50.70 +18 10 12.8                      261
         K01M07Z 1 1996 06 12.42986 17 21 44.62 +18 09 03.3                      261
         K01M07Z  C1998 02 25.21909 03 55 39.63 +06 20 13.9          17.1 V      566
         K01M07Z  C1998 02 25.22910 03 55 40.82 +06 20 31.5          17.4 V      566
         K01M07Z  C1998 02 25.23918 03 55 42.04 +06 20 52.0          17.3 V      566
         K01M07Z  C1999 09 11.27293 23 31 10.73 -30 37 48.8          18.2        704
         K01M07Z  C1999 09 11.28788 23 31 09.57 -30 38 02.4          18.8        704
         K01M07Z  C1999 09 11.30253 23 31 08.46 -30 38 15.9          18.7        704
         K01M07Z  C1999 09 11.31697 23 31 07.40 -30 38 29.3          18.9        704
         K01M07Z  C1999 09 11.33129 23 31 06.33 -30 38 43.1          18.8        704
    
    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.
    413 Siding Spring.  Observer A. Savage.  Measurer R. H. McNaught.  1.2-m
        Schmidt.
    566 Haleakala-NEAT/GEODSS.  Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
        D. L. Rabinowitz for the NEAT team.  1.0-m f/2.2 GEODSS telescope + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, R. Huber, L. Manguso, S. Adams.  Measurers J. Stuart,
        R. Sayer, J. B. Evans, H. Viggh.  1.0-m f/2.15 reflector + CCD.
    
    Orbital elements:
    2001 MZ7
    Epoch 2001 Apr. 1.0 TT = JDT 2452000.5                  Spahr
    M  84.65555              (2000.0)            P               Q
    n   0.41631232     Peri.   19.84336     -0.84285675     -0.43527340
    a   1.7763282      Node   130.17002     +0.42067538     -0.89963661
    e   0.2868364      Incl.   24.46305     +0.33559607     +0.03451129
    P   2.37           H   15.0           G   0.15           U   2
    Residuals in seconds of arc
    781025 260  0.3-  0.0     010623 470  0.4+  0.1+    010625 557  0.3+  0.1+
    781025 260  0.5+  0.8-    010623 157  0.2-  0.6+    010625 859 (2.4-  0.6+)
    920904 413  0.2+  0.6+    010623 649  1.2-  0.3-    010625 557  0.6+  0.2+
    920904 413  1.8+  1.6+    010623 649  1.6+  0.5-    010625 859  0.7-  0.8+
    960612 261  1.5-  1.0-    010623 649  0.8-  1.3-    010625 201  0.2-  0.1+
    960612 261  1.0-  1.2-    010623 711  0.2-  0.1-    010625 711  1.1-  0.2-
    980225 566  0.4-  0.3+    010623 711  0.1-  0.0     010625 670  0.1+  0.2-
    980225 566  0.1-  0.6-    010623 046  0.1-  0.4+    010625 711  0.4+  0.6+
    980225 566  0.5+  1.3+    010623 046  0.1-  0.4+    010625 711  0.3+  0.1+
    990911 704  0.7-  0.9-    010623 046  0.5+  0.4+    010625 670  0.9-  0.1-
    990911 704  1.2-  0.6-    010623 046  0.1+  0.3+    010625 670  0.1+  0.2+
    990911 704  1.2-  0.5-    010623 046  0.7+  0.7+    010625 587  0.3-  0.3-
    990911 704  0.8-  0.6-    010624 557  0.2-  0.1+    010625 587  0.7+  0.6-
    990911 704  0.7-  1.2-    010624 176  1.6+  0.7-    010626 012  0.0   0.4-
    010621 704  0.3+  0.1+    010624 557  0.2-  0.1+    010626 118  0.2+  0.1-
    010621 704  0.1+  0.2+    010624 176  1.1+  0.6-    010626 118  0.0   0.0
    010621 704  0.9+  0.5+    010624 176  0.3+  0.5-    010626 118  0.2-  0.2-
    010622 470  1.4+  1.2+    010624 557  0.4+  0.6-    010626 012  0.3+  0.3-
    010622 470  0.5+  0.5+    010624 557  0.5+  0.2+    010626 012  0.5+  0.3-
    010622 470  0.4+  0.1+    010624 176  0.7-  0.3-    010626 046  0.0   0.2+
    010622 946  0.2-  1.0-    010624 673  1.1-  1.8+    010626 046  0.3-  0.3+
    010622 946  1.3-  0.7-    010624 673  0.4-  1.7+    010626 046  0.4-  0.0
    010622 198  1.0+  0.3+    010624 673  1.5-  1.9+    010626 046  0.3-  0.1-
    010622 493  0.1+  0.0     010624 704  0.2-  0.1-    010627 342  0.3-  1.1-
    010622 493  0.0   0.0     010624 704  0.3-  0.4+    010627 342  1.4-  0.8-
    010622 808 (0.2-  2.6-)   010624 704  0.4+  0.5+    010627 342  1.7-  0.4-
    010622 808  0.7-  1.8-    010624 704  0.9-  1.2-    010627 118  0.2+  0.1-
    010622 734  0.3+  0.4-    010624 704  0.2-  0.1-    010627 118  0.2+  0.3-
    010622 734  0.7+  0.2-    010624 704  0.4+  0.1+    010627 118  0.2-  0.0
    010622 118  0.3-  0.3+    010624 704  0.7-  0.8+    010629 670  0.1-  0.2+
    010622 118  0.1+  0.1-    010624 711  0.4+  0.1+    010629 670  0.1-  0.1-
    010622 118  1.1+  0.4-    010624 704  0.3+  0.1+    010630 608  1.0+  0.8+
    010622 151  0.5+  0.2+    010624 711  0.0   0.2+    010630 608  0.8+  1.0+
    010622 151  0.8+  0.3+    010624 704  0.0   0.2+    010630 608  0.7+  0.9+
    010622 151  0.7+  0.5+    010624 711  0.1+  0.0     010703 413  0.2-  0.3+
    010622 151  0.1+  0.0     010624 046  0.2-  1.0+    010703 413  0.1-  0.2+
    010622 097  0.0   0.2+    010624 046  0.0   0.0     010703 413  0.3-  0.1+
    010623 097  0.4+  1.0+    010624 046  1.2+  1.4-    010704 413  0.2-  0.5-
    010623 157  0.2-  1.0-    010625 557  0.3+  0.2-    010704 413  0.3-  0.5-
    010623 470  0.6-  0.7+    010625 201  0.5-  0.2+    010704 413  0.1-  0.4-
    010623 157  1.1+  0.4-    010625 859  1.5+  0.3+
    
    Ephemeris:
    2001 MZ7                 a,e,i = 1.78, 0.29, 24                  q = 1.2668
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 06 30    20 43.46   -06 43.7    1.214    2.130   145.2    15.8    17.9
    2001 07 10    20 33.02   -09 03.0    1.177    2.151   157.5    10.4    17.7
    2001 07 20    20 20.42   -11 44.8    1.164    2.171   169.5     4.9    17.4
    2001 07 30    20 07.12   -14 35.6    1.180    2.190   171.8     3.8    17.4
    2001 08 09    19 54.79   -17 20.6    1.224    2.206   160.6     8.8    17.8
    2001 08 19    19 44.84   -19 48.2    1.295    2.222   148.5    13.8    18.1
    2001 08 29    19 38.23   -21 52.5    1.388    2.235   137.0    18.0    18.4
    2001 09 08    19 35.33   -23 32.2    1.499    2.247   126.3    21.2    18.7
    2001 09 18    19 36.03   -24 49.2    1.622    2.258   116.5    23.5    18.9
    2001 09 28    19 40.05   -25 45.8    1.754    2.266   107.5    24.9    19.1
    2001 10 08    19 46.95   -26 24.8    1.891    2.273    99.1    25.7    19.3
    2001 10 18    19 56.27   -26 48.0    2.029    2.279    91.2    25.9    19.5
    2001 10 28    20 07.63   -26 57.0    2.167    2.283    83.7    25.6    19.6
    2001 11 07    20 20.64   -26 53.1    2.300    2.285    76.7    25.0    19.8
    2001 11 17    20 34.98   -26 37.3    2.429    2.286    69.9    24.0    19.8
    2001 11 27    20 50.41   -26 10.3    2.550    2.285    63.4    22.7    19.9
    
    Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-N18
    

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