Neptune Viewer 3.1

2022-08-03: Release 3.1 with support for JWST. See the help page for more information.

The current ephemeris selection is NEP095 + NEP097 + NEP101 + DE440.

• Triton & Nereid, 1600 to 2600.
• Small inner satellites, 1900 to 2050.

Observation Time

(Required)

Field of View:

seconds of arc degrees milliradians microradians Neptune radii kilometers Voyager ISS wide angle FOVs Voyager ISS narrow angle FOVs (Required)

Diagram center:

Body: Neptune Triton (N1) Nereid (N2) Naiad (N3) Thalassa (N4) Despina (N5) Galatea (N6) Larissa (N7) Proteus (N8) Hippocamp (N14)
Ring ansa: Galle Ring LeVerrier Ring Arago Ring Adams Ring east west
J2000 RA and Dec: hours degrees degrees
Star name: (Click here for the current list.)

Viewpoint:

Observatory: Earth's center Voyager 2 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)

Moon Selection:

Triton & Nereid (N1,N2)
...plus all inner moons (N3-N8,N14)

Ring Selection:

LeVerrier & Adams
...plus Arago
...plus Galle

Arc motion model:

#1 (820.1194 deg/day) #2 (820.1118 deg/day) #3 (820.1121 deg/day)

Background Objects:

Standard stars (Click here for the current list.)
Additional star: RA = hours degrees Dec = Label =
Other bodies:   Sun Anti-Sun Earth Voyager 2

Diagram Options:

Plot Title:
Moon & Star Labels: None Small (6 points) Medium (9 points) Large (12 points)
Moon Enlargement: (points)
Blank disks:   Yes No
Arc weight: (points)
Highlight prime meridians:   Yes No
Output to:   Webpage & diagrams    PDF only    JPEG only    Postscript only