Satellite Ephemeris File Release Satellite Ephemeris: NEP055 Location: ssd.jpl.nasa.gov/pub/eph/satellites/nio/LINUX_PC/nep055.nio Size(nio): 3819520 bytes Enter SATEPHMERGE/13 26-Jul-2005 16:33: 2.755 linked 21-Apr-2004 10:07:57 Merge of NEP055 with NEP016 planet Integrated orbits - Fit to Earthbased data Ephemeris Version Number: 13 Timespan from JED 2451200.500(22-JAN-1999) to JED 2460676.500(01-JAN-2025) File Epoch Julian Date: 2453200.50 Master Interval: 4.0000 Days Equinox Reference Julian Date: 2451545.00 Planetary Ephemeris Number: DE-0405/LE-0405 Bodies on the File: Name Number GM NDIV NDEG Model S2002_N1 809 0.000000000000000E+00 1 3 SATORBINT S2002_N2 810 0.000000000000000E+00 1 3 SATORBINT S2002_N3 811 0.000000000000000E+00 1 3 SATORBINT S2003_N1 812 0.000000000000000E+00 1 3 SATORBINT S2002_N4 813 0.000000000000000E+00 1 3 SATORBINT Neptune 899 6.835107010942784E+06 1 10 SATINT System 6.836534878891925E+06 Additional Constants on the File: AU 1.495978706910000E+08 RADIUS 2.522500000000000E+04 J802 1.000000000000000E-12 POLTIM 2.451545500000000E+06 ZACPL8 2.993600000000000E+02 ZDEPL8 4.346000000000000E+01 DACPL8 0.000000000000000E+00 DDEPL8 0.000000000000000E+00 WPL8 2.531800000000000E+02 WDP8 5.363128492000000E+02 GM5 1.267127670000000E+08 GM6 3.794062976400000E+07 GM7 5.794548600000000E+06 GM10 1.327132332402215E+11 J804 -3.470308578301639E-05 J803 0.000000000000000E+00 RAREF8 2.989525829488086E+02 DEREF8 4.331345012848936E+01 ZPRPL8 5.231800995129119E+01 GM1300 1.328836807306296E+11 801GM 1.427867949141134E+03 802GM 0.000000000000000E+00 Chebyshev interpolation error: 10.00 meters Release to: Horizons/NAIF Time: 27-Jul-2005 08:43:38 Preparer: R. A. Jacobson Comments: Update of irregular Neptunian satellites with data through 2004.