NRL 10 Satellite Bus
Data current as of 2026-07-21.
The NRL 10 bus accounts for 3 cataloged objects, of which 0 are in orbit and 0 are active. 3 have reentered. Most are built by NRL. The largest operator on this bus is Naval Research Laboratory. All were launched in 1971.
0
In orbit
0
Active
3
Total launched
3
Reentered
NRL 10 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged NRL 10 satellites.
| Manufacturer | NRL |
|---|---|
| Launch mass | 1 kg |
| Dry mass | 1 kg |
| Length | 0.3 m |
| Diameter | 0.3 m |
| Span | 0.3 m |
| Shape | Sphere |
Top operators
Top countries
US 3
NRL 10 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| OPS 5268 (CALSPHERE 5) S70-4 Drag Sphere | 04963 | 1971-012E | NRL | Feb 17, 1971 | 88 min, 98.2° | Reentered | ◉ |
| OPS 5268 (CALSPHERE 4) S70-4 Drag Sphere | 04958 | 1971-012D | NRL | Feb 17, 1971 | 89 min, 98.4° | Reentered | ◉ |
| OPS 5268 (CALSPHERE 3) S70-4 Drag Sphere | 04957 | 1971-012C | NRL | Feb 17, 1971 | 88 min, 98.4° | Reentered | ◉ |
Frequently asked questions
How many NRL 10 satellites are there?
The catalog lists 3 objects built on the NRL 10 bus. 0 are in orbit and 3 have reentered.
How many NRL 10 satellites are in orbit?
0 NRL 10 objects are currently in orbit, of which 0 carry an active status.
Who builds the NRL 10 bus?
The NRL 10 bus is most commonly built by NRL.
When did the first NRL 10 satellite launch?
The cataloged NRL 10 satellites all launched in 1971.