Destination · Planet
Neptune
Every figure on this page is counted from the committed mission records that name Neptune as a destination. None of them is maintained by hand.
Ephemeris committed
Body record
What the catalog records about Neptune
- Body type
- Planet
- Orbits
- Sun
- Mean radius
- 24,764 km
- Mean distance from the Sun
- 4,500,000,000 km
- Position in the explorer
- Computed from a committed ephemeris
Fields this body’s record does not carry are left out entirely rather than filled in with a placeholder or a zero.
Derived figures
Missions to Neptune
- Committed missions
- 1
- First launch
- Latest launch
- Concluded missions
- 0
- Recorded a success
- 0
Active missions are excluded from the success rate: a live mission has no outcome yet, so counting it would report a rate the records do not support. 1 of the 1 record is still active, leaving 0 concluded. No success rate is stated, because none of them has concluded.
| Decade | Missions launched |
|---|---|
| 1970s |
Who went
Agencies
A joint mission is counted under every agency its record lists, so these figures need not add up to 1.
What they did
Mission types
- Flyby
- 1
- Interstellar
- 1
A mission can carry several types, so these figures need not add up either. Types no mission here carries are omitted.
How they ended
Outcomes
- Success
- 0
- Partial success
- 0
- Failure
- 0
- Active
- 1
Keep going
These records in the directory
The directory's Neptune destination filter selects exactly the records counted above.
View all 1 Neptune mission