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  • MPEC 2003-T74 : 1937 UB (HERMES)

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    M.P.E.C. 2003-T74                                Issued 2003 Oct. 15, 17:10 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 Steven and Michele Kirsch Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                   1937 UB (HERMES)
    
    Observations:
         J37U00B  C2003 08 26.35985 01 52 54.33 +04 08 41.6          18.8        704
         J37U00B  C2003 08 26.37269 01 52 54.87 +04 08 44.8          19.6        704
         J37U00B  C2003 08 26.38603 01 52 55.52 +04 08 46.6          19.3        704
         J37U00B  C2003 08 26.41142 01 52 56.62 +04 08 52.1          19.2        704
         J37U00B  C2003 09 03.37679 01 58 49.08 +04 23 54.8          19.0        704
         J37U00B  C2003 09 03.38860 01 58 49.59 +04 23 55.5          19.1        704
         J37U00B  C2003 09 03.40035 01 58 49.96 +04 23 55.8          18.6        704
         J37U00B  C2003 09 03.41219 01 58 50.36 +04 23 57.0          19.3        704
         J37U00B  C2003 09 28.29353 02 05 19.55 +04 12 35.4          16.9        704
         J37U00B  C2003 09 28.30707 02 05 19.22 +04 12 32.1          18.5        704
         J37U00B  C2003 09 28.31989 02 05 18.78 +04 12 30.5          18.0        704
         J37U00B  C2003 09 28.34613 02 05 18.17 +04 12 26.7          17.0        704
         J37U00B  C2003 09 28.37929 02 05 17.41 +04 12 21.0          17.1 R      699
         J37U00B  C2003 09 28.39356 02 05 17.02 +04 12 18.8                      699
         J37U00B  C2003 09 28.40779 02 05 16.65 +04 12 15.9                      699
         J37U00B  C2003 09 28.42207 02 05 16.31 +04 12 14.2                      699
         J37U00B  C2003 10 05.59036 02 01 02.22 +03 46 56.7          16.7        608
         J37U00B  C2003 10 05.60121 02 01 01.55 +03 46 53.9          16.8        608
         J37U00B  C2003 10 05.61168 02 01 00.90 +03 46 50.5          16.8        608
         J37U00B  C2003 10 15.30771 01 45 29.04 +02 45 15.7          14.4 R      699
         J37U00B  C2003 10 15.32432 01 45 26.23 +02 45 06.8                      699
         J37U00B  C2003 10 15.34094 01 45 23.44 +02 44 57.8                      699
         J37U00B  C2003 10 15.35751 01 45 20.63 +02 44 48.9                      699
         J37U00B  C2003 10 15.51076 01 44 55.17 +02 43 26.6          14.5 R      673
         J37U00B  C2003 10 15.51215 01 44 54.94 +02 43 25.8                      673
         J37U00B  C2003 10 15.51354 01 44 54.72 +02 43 24.9                      673
         J37U00B  C2003 10 15.51516 01 44 54.47 +02 43 24.2                      673
         J37U00B  C2003 10 15.51725 01 44 54.14 +02 43 23.1                      673
    
    Observer details:
    608 Haleakala-NEAT/MSSS.  Observers R. Bambery, E. Helin, S. Pravdo, M. Hicks,
        K. Lawrence, P. Kervin, J. Africano, R. Maeda.  1.2-m reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
        reflector + CCD.
    699 Lowell Observatory-LONEOS.  Observers M. E. Van Ness, B. A. Skiff.  0.59-m
        LONEOS Schmidt + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
        H. Stange, S. Adams, T. Brothers, S. Partridge.  Measurers J. Stuart,
        R. Sayer, J. Evans, J. Kommers, P. Hopman.  1.0-m f/2.15 reflector + CCD.
    
    Orbital elements:
    1937 UB                                                              PHA 0.003
    Epoch 2003 Dec. 27.0 TT = JDT 2453000.5                 MPC
    M   1.79614              (2000.0)            P               Q
    n   0.46288738     Peri.   92.39541     -0.59740895     -0.79969615
    a   1.6550806      Node    34.51615     +0.68733602     -0.54908819
    e   0.6242226      Incl.    6.06865     +0.41312437     -0.24287492
    P   2.13           H   17.1           G   0.15           U   6
    Residuals in seconds of arc
    030826 704  0.3+  1.0-    030928 704  1.1-  0.4-    031015 699  0.1-  0.2-
    030826 704  0.4-  0.3+    030928 704  0.0   0.0     031015 699  0.2+  0.3-
    030826 704  0.2+  0.2+    030928 699  0.2+  0.1+    031015 699  0.0   0.4-
    030826 704 (0.6-  2.1+)   030928 699  0.1-  0.2+    031015 673  0.2-  0.1+
    030903 704  0.7-  0.6+    030928 699  0.0   0.4-    031015 673  0.2-  0.1+
    030903 704  0.7+  0.3+    030928 699  0.5+  0.3+    031015 673  0.1-  0.0
    030903 704  0.0   0.4-    031005 608  0.3-  0.5+    031015 673  0.1+  0.2+
    030903 704  0.2-  0.2-    031005 608  0.2-  0.7+    031015 673  0.3+  0.2+
    030928 704  0.4+  0.4+    031005 608  0.1-  0.2+
    030928 704  0.6+  0.8-    031015 699  0.1+  0.2-
    
    Ephemeris:
    1937 UB                  a,e,i = 1.66, 0.62, 6                   q = 0.6219
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2003 10 08    01 58.54   +03 35.4    0.287    1.277   163.4    12.9    15.7
    2003 10 10    01 55.90   +03 24.3    0.264    1.256   165.7    11.3    15.4
    2003 10 12    01 52.63   +03 11.4    0.242    1.236   168.0     9.7    15.1
    2003 10 14    01 48.61   +02 56.6    0.221    1.216   170.2     8.0    14.8
    2003 10 16    01 43.64   +02 39.3    0.200    1.195   172.0     6.7    14.5
    
    2003 10 18    01 37.45   +02 18.9    0.179    1.174   172.7     6.2    14.2
    2003 10 19    01 33.78   +02 07.2    0.169    1.164   172.4     6.5    14.1
    2003 10 20    01 29.64   +01 54.2    0.159    1.153   171.6     7.2    13.9
    2003 10 21    01 24.96   +01 39.8    0.149    1.143   170.4     8.4    13.8
    2003 10 22    01 19.63   +01 23.7    0.139    1.132   168.7     9.9    13.7
    2003 10 23    01 13.53   +01 05.6    0.130    1.122   166.7    11.7    13.6
    2003 10 24    01 06.49   +00 45.0    0.120    1.111   164.4    13.9    13.5
    2003 10 25    00 58.31   +00 21.4    0.111    1.101   161.7    16.5    13.4
    2003 10 26    00 48.72   -00 05.8    0.102    1.090   158.5    19.5    13.3
    2003 10 27    00 37.38   -00 37.7    0.094    1.079   154.9    23.0    13.2
    2003 10 28    00 23.82   -01 15.1    0.085    1.069   150.7    27.1    13.1
    2003 10 29    00 07.46   -01 59.5    0.077    1.058   145.7    31.9    13.0
    2003 10 30    23 47.55   -02 52.2    0.070    1.048   139.9    37.7    12.9
    2003 10 31    23 23.17   -03 54.3    0.063    1.037   132.9    44.5    12.9
    2003 11 01    22 53.40   -05 06.0    0.057    1.026   124.6    52.8    12.9
    2003 11 02    22 17.54   -06 24.6    0.052    1.015   114.8    62.6    13.0
    2003 11 03    21 35.78   -07 43.7    0.049    1.005   103.5    73.8    13.2
    2003 11 04    20 49.79   -08 52.5    0.048    0.994    91.3    86.0    13.5
    2003 11 05    20 02.81   -09 40.6    0.048    0.983    78.9    98.3    14.0
    2003 11 06    19 18.50   -10 04.2    0.051    0.973    67.2   110.0    14.7
    2003 11 07    18 39.44   -10 06.9    0.055    0.962    56.8   120.4    15.6
    2003 11 08    18 06.51   -09 56.1    0.061    0.951    48.0   129.3    16.5
    2003 11 09    17 39.39   -09 38.5    0.067    0.941    40.7   136.7    17.5
    2003 11 10    17 17.22   -09 18.6    0.074    0.930    34.5   142.9    18.5
    2003 11 11    16 59.06   -08 59.1    0.082    0.920    29.5   148.0    19.6
    2003 11 12    16 44.08   -08 40.9    0.090    0.909    25.3   152.3    20.6
    
         A bright near-earth-object candidate, reported this morning by
    B. A. Skiff, was placed on The NEO Confirmation Page by T. B. Spahr quickly
    enough that follow-up observations could be made by J. Young within four hours.
    Spahr then located the Oct. 5 observations (which had been reported as a
    likely main-belt object) and recognized the object as 1937 UB (Hermes).
    With the help of the LINEAR Team, single-night observations (also reported
    as likely main-belt objects) could then be identified back to Aug. 26.  The
    orbital elements provided here have not been linked to the 1937 observations,
    since when the object has made almost exactly 31 revolutions.  Radar
    observations at the present apparition would be very useful.
    
    Brian G. Marsden             (C) Copyright 2003 MPC           M.P.E.C. 2003-T74
    

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