Lunar Orbiter Satellite Bus
Data current as of 2026-07-20.
The Lunar Orbiter bus accounts for 5 cataloged objects, of which 0 are in orbit and 0 are active. 5 have reentered. Most are built by BOKT. The largest operator on this bus is NASA. The first launched in 1966, the most recent in 1967.
0
In orbit
0
Active
5
Total launched
5
Reentered
Lunar Orbiter launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Lunar Orbiter satellites.
| Manufacturer | BOKT |
|---|---|
| Launch mass | 380 kg |
| Dry mass | 270 kg |
| Length | 2.1 m |
| Diameter | 2 m |
| Span | 5.3 m |
| Shape | Cone + 4 Pan + Ant |
| Propulsion | R-4D |
Top operators
Top countries
US 5
Lunar Orbiter satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| LUNAR ORBITER 5 Lunar Orbiter V | 02907 | · | LARCN | Aug 1, 1967 | · | Reentered | ◉ |
| LUNAR ORBITER 4 Lunar Orbiter IV | 02772 | · | LARCN | May 4, 1967 | · | Reentered | ◉ |
| LUNAR ORBITER 3 Lunar Orbiter III | 02666 | · | LARCN | Feb 5, 1967 | · | Reentered | ◉ |
| LUNAR ORBITER 2 Lunar Orbiter II | 02534 | · | LARCN | Nov 6, 1966 | · | Reentered | ◉ |
| LUNAR ORBITER 1 Lunar Orbiter I | 02394 | · | LARCN | Aug 10, 1966 | · | Reentered | ◉ |
Frequently asked questions
How many Lunar Orbiter satellites are there?
The catalog lists 5 objects built on the Lunar Orbiter bus. 0 are in orbit and 5 have reentered.
How many Lunar Orbiter satellites are in orbit?
0 Lunar Orbiter objects are currently in orbit, of which 0 carry an active status.
Who builds the Lunar Orbiter bus?
The Lunar Orbiter bus is most commonly built by BOKT.
When did the first Lunar Orbiter satellite launch?
The first cataloged Lunar Orbiter satellite launched in 1966, and the most recent in 1967.