Satellite Ephemeris File Release


Satellite Ephemeris: NEP077

Location: ssd.jpl.nasa.gov/pub/eph/satellites/nio/LINUX_PC/nep077.nio
Size(nio): 350423040 bytes

Enter SATEPHMERGE/13 11-Apr-2008 09:00: 5.767 linked 01-Apr-2008 09:16:24
Replace theory Proteus with integrated Proteus
Ephemeris fit to all data
Voyager, HST, and Astrometric data solution - NEP077
Merge of back and forward
Ephemeris Version Number: 17
Timespan from JED  2433282.500(01-JAN-1950) to JED  2469810.500(04-JAN-2050)
File Epoch Julian Date: 2447757.00
Master Interval: 4.0000 Days
Equinox Reference Julian Date: 2451545.00
Planetary Ephemeris Number: DE-0421/LE-0421

Bodies on the File:

   Name     Number            GM             NDIV   NDEG   Model
   Naiad      803    0.000000000000000E+00      8     15   ROCKS
   Thalas     804    0.000000000000000E+00      8     15   ROCKS
   Despin     805    0.000000000000000E+00      8     15   ROCKS
   Galate     806    0.000000000000000E+00      8     15   ROCKS
   Lariss     807    0.000000000000000E+00      8     15   ROCKS
   Proteu     808    0.000000000000000E+00      8     15   SATORB
   Neptun     899    6.835099756602132E+06      1     10   CHEBY
   System            6.836527318428203E+06

Additional Constants on the File:

  AU       1.495978706996262E+08   RADIUS   2.522500000000000E+04
  J802     3.408490228614368E-03   J804    -3.348417070476508E-05
  POLTIM   2.447763500000000E+06   ZACPL8   2.994565486386811E+02
  ZDEPL8   4.338624904158444E+01   DACPL8   0.000000000000000E+00
  DDEPL8   0.000000000000000E+00   WPL8     2.531800000000000E+02
  WDP8     5.363128492000000E+02   801GM    1.427561826071780E+03
  802GM    0.000000000000000E+00   GM5      1.267127648000000E+08
  GM6      3.794058520000000E+07   GM7      5.794557000000000E+06
  GM10     1.327132332632381E+11


Chebyshev interpolation error: 0.1000E-01 meters

Release to: Horizons/NAIF                      Time: 11-Apr-2008 15:11: 8

Preparer: R. A. Jacobson

Comments:
Refit of the inner Neptunian satellites.  Proteus is
actually from the NEP076 solution.