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  • MPEC 2013-O60 : 2013 GZ79

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    M.P.E.C. 2013-O60                                Issued 2013 July 29, 15:38 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2013 GZ79
    
                               Revision to MPEC 2013-H09
    
    Additional Observations:
         K13G79Z  C2002 02 07.41576 09 42 05.82 +04 27 55.8          20.5 RoEO060644
         K13G79Z  C2002 02 07.43676 09 42 04.16 +04 28 19.5          20.5 RoEO060644
         K13G79Z  C2002 02 16.36490 09 30 21.06 +07 31 55.3          19.9 RoEO060644
         K13G79Z  C2002 02 16.39867 09 30 18.22 +07 32 40.0          20.4 RoEO060644
         K13G79Z  C2002 02 16.43880 09 30 14.76 +07 33 32.2          20.7 RoEO060644
         K13G79Z  C2002 03 05.24869 09 08 40.81 +14 00 13.8          21.0 RoEO060644
         K13G79Z  C2002 03 05.25104 09 08 40.63 +14 00 16.7          21.0 RoEO060644
         K13G79Z  C2002 03 05.29369 09 08 37.72 +14 01 14.8                oEO060644
         K13G79Z  C2002 03 12.13564 09 02 05.60 +16 30 15.8          20.9 RoEO060644
         K13G79Z  C2002 03 12.15647 09 02 04.59 +16 30 42.2          20.9 RoEO060644
         K13G79Z  C2002 03 12.17759 09 02 03.41 +16 31 08.6          20.7 RoEO060644
    
    Observer details:
    644 Palomar Mountain/NEAT.  Observers R. Bambery, E. Helin, S. Pravdo,
        M. Hicks, K. Lawrence, R. Thicksten.  Measurer R. J. Bouma.  1.2-m Schmidt
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    020207 644 46.7+  4.7-    020312 644 43.2+  1.8+    MPO266949   -0.00013 day
    
    Orbital elements:
    2013 GZ79                                                Earth MOID = 0.3030 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 336.21581              (2000.0)            P               Q
    n   0.45528583     Peri.  102.79821     -0.18475981     +0.97619822
    a   1.6734521      Node   155.64644     -0.97419928     -0.16667673
    e   0.2907116      Incl.   15.98820     -0.12961317     -0.13876562
    P   2.16           H   19.9           G   0.15           U   1
    Residuals in seconds of arc
    020207 644  0.1-  0.4-    130430 461  0.2-  0.0     130628 H21  0.2-  0.2-
    020207 644  0.7-  0.3-    130430 H21  0.3-  0.2-    130628 H21  0.2-  0.1-
    020216 644  0.0   0.4+    130430 H21  0.4-  0.3-    130628 H21  0.1+  0.1-
    020216 644  0.8+  0.4+    130430 H21  0.0   0.1-    130630 157  0.7+  0.2+
    020216 644  0.2+  0.4-    130430 H21  0.3+  0.0     130630 157  0.5+  0.1-
    020305 644  0.1-  0.2+    130502 H21  0.2-  0.1+    130630 157  0.2+  0.5-
    020305 644  0.4-  0.1-    130502 H21  0.1+  0.2+    130705 H45  0.2+  0.1-
    020305 644  0.6+  0.2+    130502 H21  0.1+  0.1-    130705 H45  0.1-  0.5-
    020312 644  0.5-  0.1-    130505 703  0.7-  1.0+    130705 H45  0.4-  0.6+
    020312 644  0.6+  0.1+    130505 703  0.9-  1.2+    130705 H45  0.2-  0.4+
    020312 644  0.4-  0.1-    130505 703  1.9+  0.3-    130705 H45  0.1+  1.2+
    130331 I41  0.3+  0.4-    130505 703  0.9-  0.2-    130705 H45  0.2+  0.7+
    130331 I41  0.1-  0.1-    130508 H21  0.0   0.2-    130708 H21  0.1+  0.0
    130331 I41  0.0   0.5-    130508 H21  0.0   0.2-    130708 H21  0.1+  0.0
    130403 I41  0.1-  0.1-    130508 H21  0.1+  0.1-    130708 H21  0.3+  0.2+
    130403 I41  0.0   0.3-    130509 H21  0.1+  0.1+    130709 H45  0.1-  0.0
    130405 I41  0.1+  0.1-    130509 H21  0.3-  0.1-    130709 H45  0.4+  0.6-
    130405 I41  0.1-  0.0     130509 H21  0.1-  0.1-    130709 H45  0.1+  0.4+
    130405 I41  0.1-  0.1-    130512 H21  0.3-  0.1-    130709 H45  0.2-  0.3+
    130406 I41  0.2-  0.3-    130512 H21  0.4-  0.1-    130709 H45  0.1+  0.0
    130406 I41  0.2-  0.3-    130512 H21  0.2-  0.3-    130709 H45  0.5+  0.1+
    130407 I41  0.1-  0.1-    130512 I41  0.0   0.1+    130711 H21  0.3-  0.1-
    130407 I41  0.2-  0.3-    130512 I41  0.0   0.1-    130711 H21  0.1-  0.2-
    130413 703  1.8-  0.1+    130512 I41  0.1+  0.1-    130711 H21  0.8+  0.0
    130413 703  0.4+  2.1-    130513 H21  0.4-  0.2-    130712 H21  0.1-  0.1+
    130413 703  0.3-  0.3-    130513 H21  0.2-  0.2-    130712 H21  0.0   0.0
    130413 291  0.0   0.2-    130513 H21  0.1-  0.1-    130712 H21  0.0   0.0
    130413 291  0.0   0.0     130513 H21  0.1-  0.2-    130712 H21  0.0   0.0
    130413 291  0.0   0.1+    130513 H21  0.1-  0.0     130712 H21  0.1-  0.0
    130413 C75  0.2-  0.5+    130519 H21  0.1-  0.2-    130712 H45  0.1+  0.1-
    130413 C75 (1.1+  3.0+)   130519 H21  0.2-  0.3-    130712 H45  0.5+  0.6-
    130413 C75  0.1-  0.5+    130519 H21  0.1-  0.1-    130712 H45  0.6+  0.0
    130413 C75  1.8+  2.2+    130530 F51  0.1+  0.1+    130712 H45  0.7+  0.1-
    130413 C75  0.1-  0.5+    130530 F51  0.1+  0.0     130712 H45  0.2+  0.3-
    130413 C75  0.2-  0.4+    130530 F51  0.1-  0.0     130712 H45  0.1+  0.2-
    130413 C75  0.1-  0.5+    130604 H21  0.2-  0.0     130712 H45  0.1+  0.3-
    130414 204  0.4-  0.4-    130604 H21  0.1+  0.2-    130713 H21  0.0   0.1-
    130414 204  0.5-  0.4-    130604 H21  0.2+  0.2-    130713 H45  0.4+  0.1-
    130414 807  0.6-  0.1-    130607 703  1.1-  0.0     130713 H21  0.1-  0.0
    130414 807  0.3-  0.0     130607 703  1.1-  1.4+    130713 H45  0.1-  0.2+
    130414 807  0.3-  0.2-    130607 703  1.0-  0.9+    130713 H45  0.1-  0.1-
    130414 807  0.6-  0.4-    130607 703  0.6-  1.6+    130713 H21  0.1-  0.0
    130414 711  0.2-  0.1-    130611 H21  0.1+  0.0     130713 H45  0.1-  0.5+
    130414 711  0.1-  0.0     130611 H21  0.0   0.3-    130713 H45  0.1+  0.0
    130414 711  0.1-  0.3+    130611 H21  0.2-  0.2-    130713 H21  0.2-  0.0
    130414 B67  0.2+  0.8+    130611 H21  0.1-  0.4-    130713 H45  0.2+  0.2-
    130414 B67  0.0   0.4+    130613 157  0.1+  0.4-    130713 H21  0.1-  0.1+
    130414 B67  1.5+  0.6-    130613 157  0.5-  0.1+    130716 H21  0.1+  0.2-
    130415 118  0.3+  0.3+    130613 157  0.1+  0.1-    130716 H21  0.2-  0.2-
    130415 118  0.4+  0.6+    130615 F51  0.0   0.0     130716 H21  0.2-  0.1-
    130415 118  0.6+  0.4+    130615 F51  0.1+  0.0     130716 H21  0.2-  0.2-
    130415 711  0.4+  0.1-    130615 F51  0.1+  0.0     130716 H21  0.2-  0.3-
    130415 711  0.7+  0.1+    130615 F51  0.1+  0.0     130717 H21  0.3-  0.3-
    130415 711  0.3+  0.1-    130615 157  0.5+  0.1-    130717 H21  0.3-  0.1-
    130416 C48  0.3+  0.2+    130615 157  0.1+  0.1-    130717 H21  0.2-  0.3-
    130416 C48  0.4+  0.1+    130615 157  0.1-  0.1-    130717 H21  0.5-  0.3-
    130416 C48  0.5+  0.1-    130619 H21  0.1+  0.2-    130726 H21  0.3-  0.1+
    130425 H21  0.1+  0.7-    130619 H21  0.1-  0.0     130726 H21  0.5-  0.0
    130425 H21  0.1-  0.3-    130619 H21  0.1+  0.1-    130728 H21  0.2-  0.3+
    130425 H21  0.0   0.4-    130619 H21  0.3+  0.4-    130728 H21  0.0   0.5+
    130427 J95  0.0   0.3-    130621 H21  0.3-  0.1+    130728 H21  0.1+  0.2+
    130427 J95  0.0   0.1-    130621 H21  0.2-  0.0     130728 H21  0.3+  0.4+
    130430 461  0.1+  0.0     130621 F51  0.1+  0.0
    130430 461  0.3+  0.3+    130621 F51  0.1-  0.0
    
    Ephemeris:
    2013 GZ79                a,e,i = 1.67, 0.29, 16                  q = 1.1870
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 06 29    18 01 56.9 +39 12 21   0.3226  1.1988   117.2    49.0    19.7
    ...
    2013 07 14    18 15 09.4 +29 46 27   0.3112  1.2227   125.2    42.8    19.5
    ...
    2013 07 22    18 23 47.6 +22 57 40   0.3118  1.2401   130.1    38.8    19.4
    ...
    2013 07 28    18 31 10.5 +17 17 44   0.3172  1.2552   133.5    35.9    19.4
    2013 07 29    18 32 28.8 +16 19 22   0.3186  1.2578   134.0    35.5    19.4
    2013 07 30    18 33 48.5 +15 20 43   0.3201  1.2605   134.5    35.0    19.4
    ...
    2013 08 05    18 42 15.4 +09 26 57   0.3325  1.2775   136.8    32.9    19.4
    ...
    2013 08 13    18 54 48.6 +01 52 04   0.3586  1.3021   138.0    31.4    19.6
    ...
    2013 08 28    19 21 52.1 -09 54 13   0.4369  1.3534   134.7    32.1    20.1
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-O60
    

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