• MPC Preparation (Info)

    • MPEC 1999-J48 : 1998 HR151

    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 1999-J47 Read MPEC 1999-J49 

    M.P.E.C. 1999-J48                                Issued 1999 May 15, 15:57 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  ISSN 1523-6714

                                  1998 HR151

Observations:
     J98HF1R*1C1998 04 28.30076 12 50 44.80 -05 28 47.2          24.3 R      568
     J98HF1R 1C1998 04 28.36758 12 50 44.49 -05 28 45.2          24.3 R      568
     J98HF1R 1C1998 04 28.44050 12 50 44.18 -05 28 42.9          24.3 R      568
     J98HF1R 1C1998 05 01.31256 12 50 32.51 -05 27 24.4          24.3 R      568
     J98HF1R 1C1998 05 01.32418 12 50 32.45 -05 27 24.0          24.3 R      568
     J98HF1R 1C1998 05 01.33580 12 50 32.40 -05 27 23.5          24.3 R      568
     J98HF1R 1C1998 05 23.30442 12 49 17.43 -05 18 49.3          24.3 R      568
     J98HF1R 1C1998 05 23.31606 12 49 17.40 -05 18 48.8          24.3 R      568
     J98HF1R 1C1998 05 23.32769 12 49 17.35 -05 18 48.7          24.3 R      568
     J98HF1R 1C1998 06 29.35264 12 48 32.56 -05 12 55.8          24.3 R      568
     J98HF1R 1C1998 06 30.29242 12 48 32.98 -05 12 56.5          24.3 R      568

Observer details:
568 Mauna Kea.  Observers J. Luu, C. Trujillo, D. Tholen, D. Jewitt.  Measurer
    C. Trujillo.  3.6-m Canada-France-Hawaii Telescope + CCD.

Orbital elements:
1998 HR151
Eccentricity assumed
Epoch 1998 May 27.0 TT = JDT 2450960.5                  Marsden
M   0.09287              (2000.0)            P               Q
n   0.00321068     Peri.  359.68252     -0.96862626     +0.24679035
a  45.5062439      Node   194.70538     -0.22775942     -0.92867106
e   0.1224506      Incl.    6.62497     -0.09944255     -0.27688371
P 307              H    8.6           G   0.15
From 11 observations 1998 Apr. 28-June 30.

Ephemeris:
1998 HR151               a,e,i = 45.51, 0.12, 7                  q = 39.934
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1999 05 12    12 55.84   -05 48.7   39.112   39.936   144.2     0.8    24.7
1999 05 22    12 55.30   -05 45.0   39.220   39.936   134.4     1.0    24.7
1999 06 01    12 54.87   -05 42.1   39.349   39.936   124.7     1.2    24.8
1999 06 11    12 54.57   -05 39.9   39.495   39.936   115.1     1.3    24.8
1999 06 21    12 54.41   -05 38.6   39.653   39.936   105.5     1.4    24.8
1999 07 01    12 54.40   -05 38.3   39.818   39.936    95.9     1.5    24.8
1999 07 11    12 54.54   -05 38.9   39.986   39.936    86.4     1.5    24.8
1999 07 21    12 54.83   -05 40.5   40.153   39.936    77.0     1.4    24.8
1999 07 31    12 55.26   -05 42.9   40.313   39.936    67.5     1.3    24.8
1999 08 10    12 55.83   -05 46.2   40.463   39.936    58.1     1.2    24.8
1999 08 20    12 56.53   -05 50.3   40.597   39.937    48.7     1.1    24.8
1999 08 30    12 57.33   -05 55.0   40.713   39.937    39.3     0.9    24.8

Brian G. Marsden             (C) Copyright 1999 MPC           M.P.E.C. 1999-J48

    Read MPEC 1999-J47 Read MPEC 1999-J49

    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)