• MPC Preparation (Info)

  • MPEC 1997-U13 : 1997 UR

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 1997-U12 Read MPEC 1997-U14


    M.P.E.C. 1997-U13                                Issued 1997 Oct. 26, 15:21 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.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                       URL http://cfa-www.harvard.edu/iau/mpc.html
    
                                        1997 UR
    
                               Revision to MPEC 1997-U09
    
    Observations:
         J97U00R tC1997 10 23.60749 03 15 07.09 +22 26 23.8          16.9 V      402
         J97U00R tC1997 10 23.60957 03 15 09.26 +22 26 24.9                      402
         J97U00R tC1997 10 23.61165 03 15 11.86 +22 26 24.7                      402
         J97U00R  C1997 10 23.61466 03 15 15.05 +22 26 24.8          16.8 V      402
         J97U00R  C1997 10 23.61571 03 15 16.35 +22 26 25.2                      402
         J97U00R  C1997 10 23.61675 03 15 17.60 +22 26 24.3                      402
         J97U00R  C1997 10 24.32814 03 30 15.67 +22 21 31.3                      658
         J97U00R  C1997 10 24.32882 03 30 16.50 +22 21 31.1                      658
         J97U00R  C1997 10 24.32953 03 30 17.37 +22 21 30.8                      658
         J97U00R  C1997 10 24.58623 03 35 49.50 +22 24 54.6          16.6 V      424
         J97U00R  C1997 10 24.59738 03 36 02.79 +22 24 48.0          16.6 V      424
         J97U00R  C1997 10 24.60012 03 36 06.11 +22 24 46.9          16.7 V      424
         J97U00R  C1997 10 24.60289 03 36 09.41 +22 24 44.6          17.1 V      424
         J97U00R  C1997 10 24.60385 03 36 14.12 +22 19 29.5          16.4 V      402
         J97U00R  C1997 10 24.60524 03 36 15.80 +22 19 29.5                      402
         J97U00R  C1997 10 24.60573 03 36 12.82 +22 24 43.2          16.2 V      424
         J97U00R  C1997 10 24.60847 03 36 16.14 +22 24 41.7          16.4 V      424
         J97U00R  C1997 10 24.60926 03 36 20.73 +22 19 27.5                      402
         J97U00R  C1997 10 24.61400 03 36 22.67 +22 24 37.9          16.9 V      424
         J97U00R  C1997 10 24.63073 03 36 47.51 +22 19 20.7                      360
         J97U00R  C1997 10 24.63472 03 36 52.34 +22 19 18.5                      360
         J97U00R  C1997 10 24.64028 03 36 58.95 +22 19 15.3                      360
         J97U00R  C1997 10 24.64306 03 37 02.32 +22 19 14.0                      360
         J97U00R  C1997 10 24.67234 03 37 32.58 +22 23 53.0          16.7 V      424
         J97U00R  C1997 10 24.67512 03 37 35.95 +22 23 50.5          16.8 V      424
         J97U00R  C1997 10 24.96672 03 44 10.20 +22 13 45.8                      620
         J97U00R  C1997 10 24.96811 03 44 11.90 +22 13 44.8                      620
         J97U00R  C1997 10 24.97054 03 44 14.86 +22 13 42.9                      620
         J97U00R  C1997 10 25.04566 03 45 46.94 +22 12 35.8                      620
         J97U00R  C1997 10 25.04740 03 45 49.06 +22 12 33.9                      620
         J97U00R VC1997 10 25.25694 03 50 39.96 +22 08 27.0                      670
         J97U00R VC1997 10 25.26667 03 50 51.99 +22 08 20.0                      670
         J97U00R VC1997 10 25.29375 03 51 26.06 +22 07 56.9                      670
         J97U00R  C1997 10 25.51765 03 56 28.18 +22 07 40.5          16.3 R      422
         J97U00R  C1997 10 25.51885 03 56 29.70 +22 07 38.9          16.3 R      422
         J97U00R  C1997 10 25.52007 03 56 31.22 +22 07 37.9          16.4 R      422
         J97U00R  C1997 10 25.52353 03 56 35.59 +22 07 35.0          16.6 R      422
         J97U00R  C1997 10 25.63167 03 58 53.67 +22 00 15.9          16.4 V      385
         J97U00R  C1997 10 25.63358 03 58 56.05 +22 00 12.5                      385
         J97U00R  C1997 10 25.63503 03 58 57.89 +22 00 11.4                      385
         J97U00R  C1997 10 25.63615 03 58 59.31 +22 00 08.8                      385
         J97U00R  C1997 10 25.64199 03 59 06.50 +22 00 01.8                      385
         J97U00R  C1997 10 25.69726 04 00 14.75 +21 58 38.6                      355
         J97U00R  C1997 10 25.69882 04 00 16.73 +21 58 37.0                      355
         J97U00R  C1997 10 25.70015 04 00 18.28 +21 58 34.0                      355
         J97U00R  C1997 10 25.70159 04 00 20.24 +21 58 32.0                      355
         J97U00R  C1997 10 25.88385 04 04 40.59 +21 52 05.3                      587
         J97U00R  C1997 10 25.88733 04 04 45.17 +21 52 01.0                      587
         J97U00R  C1997 10 25.89080 04 04 49.69 +21 51 56.6                      587
         J97U00R  C1997 10 26.35903 04 15 17.97 +21 38 41.9                      670
         J97U00R  C1997 10 26.37882 04 15 42.76 +21 38 04.7                      670
         J97U00R  C1997 10 26.39063 04 15 57.61 +21 37 40.7                      670
         J97U00R  C1997 10 26.41111 04 16 23.18 +21 36 59.1                      670
         J97U00R  C1997 10 26.42743 04 16 43.60 +21 36 24.0          17.5 V      670
    
    Observer details:
    355 Hadano.  Observer A. Asami.  0.2-m f/4.0 reflector + CCD.
    360 Kuma Kogen.  Observer A. Nakamura.  0.60-m f/6.0 Ritchey-Chretien + CCD.
    385 Nihondaira.  Observer T. Urata.  0.31-m f/4.7 reflector + CCD.
    402 Dynic Astronomical Observatory.  Observer A. Sugie.  0.60-m f/3.7 reflector
        + CCD.
    422 Loomberah.  Observer G. J. Garradd.  0.25-m f/4.1 reflector + CCD.
    424 Macquarie, near Canberra.  Observer J. B. Child.  0.32-m f/4.8 reflector
        + CCD.
    587 Sormano.  Observers P. Sicoli, A. Testa.  0.5-m reflector + CCD.
    620 Observatorio Astronomico de Mallorca.  Observers A. Lopez, R. Pacheco.
        Measurers A. Lopez, R. Pacheco, S. Sanchez.  0.30-m f/3.3
        Schmidt-Cassegrain + CCD.
    658 Dominion Astrophysical Observatory.  Observer D. D. Balam.  1.82-m
        reflector + CCD.
    670 Camarillo.  Observer J. E. Rogers.  0.25-m Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    1997 UR
    Epoch 1997 Dec. 18.0 TT = JDT 2450800.5                 Williams
    M  19.18098              (2000.0)            P               Q
    n   0.55907937     Peri.  200.14884     +0.58390774     -0.81151740
    a   1.4593308      Node   214.13594     +0.75013762     +0.54977994
    e   0.3121479      Incl.    2.26364     +0.31039540     +0.19794325
    P   1.76           H   23.0           G   0.15           U   6
    From 83 observations 1997 Oct. 22-26, mean residual 0".64.
    
    Ephemeris:
    1997 UR                  a,e,i = 1.46, 0.31, 2                   q = 1.0038
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1997 10 24    03 23.18   +22 26.2    0.031    1.023   156.2    23.1    16.6
    1997 10 29    05 14.25   +19 29.2    0.030    1.015   136.3    42.5    17.0
    1997 11 03    06 45.93   +13 29.5    0.034    1.009   118.9    59.4    17.8
    1997 11 08    07 43.85   +08 17.3    0.043    1.005   108.8    68.9    18.6
    1997 11 13    08 19.12   +04 44.0    0.053    1.004   104.2    72.8    19.2
    1997 11 18    08 41.61   +02 21.7    0.063    1.005   103.0    73.5    19.6
    1997 11 23    08 56.55   +00 44.7    0.074    1.008   103.8    72.1    19.9
    1997 11 28    09 06.57   -00 21.7    0.085    1.013   105.9    69.5    20.1
    1997 12 03    09 13.05   -01 05.6    0.095    1.021   109.0    66.0    20.3
    1997 12 08    09 16.82   -01 31.2    0.105    1.030   112.8    61.8    20.4
    1997 12 13    09 18.40   -01 40.8    0.114    1.042   117.2    57.2    20.4
    1997 12 18    09 18.05   -01 35.9    0.124    1.055   122.1    52.2    20.5
    1997 12 23    09 15.93   -01 16.5    0.133    1.070   127.5    46.8    20.5
    1997 12 28    09 12.20   -00 42.8    0.143    1.086   133.3    41.2    20.6
    1998 01 02    09 07.12   +00 04.7    0.153    1.104   139.5    35.3    20.6
    1998 01 07    09 01.10   +01 04.4    0.164    1.123   145.9    29.4    20.6
    1998 01 12    08 54.55   +02 13.7    0.177    1.143   152.3    23.6    20.6
    1998 01 17    08 47.88   +03 29.6    0.191    1.164   158.4    18.1    20.7
    1998 01 22    08 41.45   +04 48.9    0.208    1.185   163.8    13.4    20.7
    1998 01 27    08 35.64   +06 08.4    0.227    1.208   167.6    10.1    20.8
    1998 02 01    08 30.77   +07 25.2    0.249    1.230   168.2     9.4    21.1
    1998 02 06    08 27.09   +08 36.6    0.274    1.253   165.7    11.2    21.4
    1998 02 11    08 24.69   +09 41.2    0.301    1.276   161.6    14.1    21.7
    1998 02 16    08 23.56   +10 38.0    0.332    1.300   157.0    17.3    22.1
    
    Gareth V. Williams           (C) Copyright 1997 MPC           M.P.E.C. 1997-U13
    

    Read MPEC 1997-U12 Read MPEC 1997-U14


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)