Satellite Ephemeris File Release Satellite Ephemeris: NEP088 Location: ssd.jpl.nasa.gov/pub/eph/satellites/nio/LINUX_PC/nep088.nio Enter SATEPHGEN/20 28-Apr-2015 09:36: 8.292 linked 11-Feb-2015 16:22:42 Ephemeris fit to all data Voyager, HST, and Astrometric data solution - NEP077/NEP087 Ephemeris Version Number: 20 Timespan from JED 2415020.500(01-JAN-1900) to JED 2488072.500(04-JAN-2100) File Epoch Julian Date: 2447757.00 Master Interval: 4.0000 Days Equinox Reference Julian Date: 2451545.00 Planetary Ephemeris Number: DE-0431/LE-0431 Bodies on the File: Name Number GM NDIV NDEG Model Naiad 803 0.000000000000000E+00 8 15 ROCKS Thalassa 804 0.000000000000000E+00 8 15 ROCKS Despina 805 0.000000000000000E+00 8 15 ROCKS Galatea 806 0.000000000000000E+00 8 15 ROCKS Larissa 807 0.000000000000000E+00 8 15 ROCKS S2004_N01 814 0.000000000000000E+00 8 15 ROCKS Neptune 899 6.835099502439672E+06 1 10 CHEBY System 6.836527100580397E+06 Additional Constants on the File: AU 1.495978706996262E+08 RADIUS 2.522500000000000E+04 J802 3.408428530717952E-03 J804 -3.339891759006578E-05 POLTIM 2.447763500000000E+06 ZACPL8 2.994608612607558E+02 ZDEPL8 4.340481079071409E+01 DACPL8 0.000000000000000E+00 DDEPL8 0.000000000000000E+00 WPL8 2.531800000000000E+02 WDP8 5.363128492000000E+02 801GM 1.427598140725034E+03 802GM 0.000000000000000E+00 GM5 1.267127648000000E+08 GM6 3.794058520000000E+07 GM7 5.794557000000000E+06 GM10 1.327132332632381E+11 Chebyshev interpolation error: 100 meters Release to: NAIF/Horizons Time: 28-Apr-2015 10:55:41 Preparer: R. A. Jacobson Comments: Extension of the original rock ephemerides NEP077/NEP088. Proteus is not included.