Neptune Ephemeris Generator 3.0

Time Limits

• Start time:
• Stop time:
• Interval: seconds minutes hours days

Viewpoint:

• Observatory: Earth's center HST JWST Apache Point Observatory (32.780361, -105.820417, 2674.) Kitt Peak National Observatory (31.958833, -111.594694, 2058.4) Lowell Observatory (35.097, -111.537, 2200.) Mauna Kea Observatory (19.827, -155.472, 4215.) McDonald Observatory (30.671500, -104.022611, 2076.) Mt. Evans Observatory (39.587, -105.640, 4305.) NMSU Observatory (32.27631, -106.746556, 0.) Paranal Observatory/VLT (-24.625417, -70.402806, 2635.) Yerkes Observatory (41.098, 88.557, 334.)
• Lat: Lon: east west Alt: (m)

General Column Selection:

• Modified Julian Date (UTC)
• Year, Month, Day, Hour, Minute (UTC)
• Year, Month, Day, Hour, Minute, Second (UTC)
• Year, DOY, Hour, Minute (UTC)
• Year, DOY, Hour, Minute, Second (UTC)
• Observer-Neptune distance (km)
• Sun-Neptune distance (km)
• Neptune phase angle (deg)
• Ring plane opening angle to observer (deg)
• Ring plane opening angle to Sun (deg)
• Sub-observer inertial longitude (deg, J2000)
• Sub-solar inertial longitude (deg, J2000)
• Sub-observer latitude & rotating longitude (deg) - General
• Sub-solar latitude & rotating longitude (deg) - General
• Neptune RA (hours) & Dec (deg)
• Neptune projected equatorial radius (arcsec)
• Lunar phase angle (deg)
• Sun-Neptune sky separation angle (deg)
• Lunar-Neptune sky separation angle (deg)

Moon Column Selection:

• Sub-observer latitude & rotating longitude (deg) - Moon
• Sub-solar latitude & rotating longitude (deg) - Moon
• RA (hours) & Dec (deg)
• Offset RA & Dec from the moon (arcsec)
• Orbital longitude relative to observer (deg)
• Orbit plane opening angle to observer (deg)

Moon Selection:

• Triton (N1) Nereid (N2)* Naiad (N3) Thalassa (N4) Despina (N5) Galatea (N6) Larissa (N7) Proteus (N8) Hippocamp (N14)*