• Processing (Info)

    • MPEC 1999-B24 : 1998 WW31

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    M.P.E.C. 1999-B24                                Issued 1999 Jan. 28, 22:30 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

                                   1998 WW31

Observations:
     J98W31W* C1998 11 18.21509 03 21 32.64 +18 59 07.3          22.6 R      695
     J98W31W  C1998 11 18.37940 03 21 31.90 +18 59 04.6                      695
     J98W31W  C1998 11 18.45365 03 21 31.53 +18 59 03.2                      695
     J98W31W  C1998 12 18.06375 03 19 25.75 +18 50 26.5          23.4 R      950
     J98W31W  C1998 12 18.10505 03 19 25.63 +18 50 25.4                      950
     J98W31W  C1998 12 18.14633 03 19 25.49 +18 50 24.1                      950
     J98W31W  C1999 01 14.13690 03 18 10.23 +18 44 50.3          23.3 R      695
     J98W31W  C1999 01 14.25171 03 18 10.01 +18 44 49.2                      695

Observer details:
695 Kitt Peak.  Observers R. L. Millis, M. W. Buie, R. M. Wagner, J. L.
    Elliot, D. W. Willmarth, P. S. Smith, D. L. Harmer, A. Saha.  Measurers
    M. W. Buie, R. L. Millis, J. L. Elliot.  4-m reflector + CCD, 3.6-m
    WIYN Telescope + CCD.
950 La Palma.  Observers M. J. Holman, T. Grav.  2.6-m Nordic Optical
    Telescope + CCD.

Orbital elements:
1998 WW31
Assumed circular orbit
Epoch 1998 Dec. 13.0 TT = JDT 2451160.5                 Marsden
                         (2000.0)            P               Q
n   0.00312279  Arg.lat.  175.78678     +0.60102655     -0.79345150
a  46.3561941      Node   237.24085     +0.72990448     +0.59382055
e   0.0000000      Incl.    6.54989     +0.32558646     +0.13346113
P 316              H    6.8           G   0.15
From 8 observations 1998 Nov. 18-1999 Jan. 14.

Ephemeris:
1998 WW31                a,e,i = 46.36, 0.00, 7
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 01 22    03 17.98   +18 43.9   46.002   46.356   110.5     1.1    23.6
1999 02 01    03 17.88   +18 43.1   46.169   46.356   100.3     1.2    23.6
1999 02 11    03 17.92   +18 43.0   46.342   46.356    90.2     1.2    23.6
1999 02 21    03 18.11   +18 43.4   46.515   46.356    80.1     1.2    23.6
1999 03 03    03 18.46   +18 44.4   46.683   46.356    70.2     1.2    23.6
1999 03 13    03 18.94   +18 45.9   46.841   46.356    60.3     1.1    23.6
1999 03 23    03 19.55   +18 47.9   46.984   46.356    50.5     1.0    23.6
1999 04 02    03 20.27   +18 50.3   47.108   46.356    40.8     0.8    23.6
1999 04 12    03 21.08   +18 53.0   47.211   46.356    31.1     0.6    23.6

Brian G. Marsden             (C) Copyright 1999 MPC           M.P.E.C. 1999-B24

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