NRL 24 Satellite Bus
Data current as of 2026-07-20.
The NRL 24 bus accounts for 11 cataloged objects, of which 8 are in orbit and 0 are active. 3 have reentered. Most are built by NRL. The largest operator on this bus is National Reconnaissance Office. The first launched in 1962, the most recent in 1969.
8
In orbit
0
Active
11
Total launched
3
Reentered
NRL 24 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged NRL 24 satellites.
| Manufacturer | NRL |
|---|---|
| Purpose | SIGINT |
| Launch mass | 38 kg |
| Dry mass | 38 kg |
| Length | 0.5 m |
| Diameter | 0.5 m |
| Span | 0.5 m |
| Shape | Sphere |
| Power | Solar cells, batteries |
| Propulsion | None |
| Design life | ca. 34 month (average) |
| Equipment | ? |
| Typical orbit | 103 min period, 70° inclination |
Top operators
Top countries
US 11
NRL 24 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| OPS 7613 (P/L 1) OPS 7613 P/L 1 | 04256 | 1969-082B | NRL | Sep 30, 1969 | 103 min, 70.0° | Inactive | ◉ |
| OPS 5712 (P/L 152) NRL PL151 | 02873 | 1967-053G | NRO/NRL | May 31, 1967 | 103 min, 70.0° | Inactive | ◉ |
| EXPLORER 30 SR VIII | 01738 | 1965-093A | NRL | Nov 19, 1965 | 100 min, 59.7° | Inactive | ◉ |
| GGSE 3 GGSE 3 | 01292 | 1965-016C | NRO/NRL | Mar 9, 1965 | 103 min, 70.1° | Inactive | ◉ |
| SOLRAD 7B SR 7B | 01291 | 1965-016D | NRO/NRL | Mar 9, 1965 | 103 min, 70.1° | Inactive | ◉ |
| OPS 4988 (GREB 6) GREB 6 | 01271 | 1965-016A | NRO/NRL | Mar 9, 1965 | 103 min, 70.1° | Inactive | ◉ |
| GGSE 2 GGSE 2 | 01244 | 1965-016B | NRO/NRL | Mar 9, 1965 | 103 min, 70.1° | Inactive | ◉ |
| SOLRAD 7A SR 7A | 00730 | 1964-001D | NRO/NRL | Jan 11, 1964 | 103 min, 69.9° | Inactive | ◉ |
| RADOSE 112 NRL PL130 | 00600 | 1963-021D | NRO/NRL | Jun 15, 1963 | 89 min, 69.9° | Reentered | ◉ |
| SOLRAD 6 SR VI | 00599 | 1963-021C | NRO/NRL | Jun 15, 1963 | 89 min, 69.9° | Reentered | ◉ |
| INJUN 3 Injun III | 00504 | 1962-067B | NRL | Dec 13, 1962 | 88 min, 70.2° | Reentered | ◉ |
Frequently asked questions
How many NRL 24 satellites are there?
The catalog lists 11 objects built on the NRL 24 bus. 8 are in orbit and 3 have reentered.
How many NRL 24 satellites are in orbit?
8 NRL 24 objects are currently in orbit, of which 0 carry an active status.
Who builds the NRL 24 bus?
The NRL 24 bus is most commonly built by NRL.
When did the first NRL 24 satellite launch?
The first cataloged NRL 24 satellite launched in 1962, and the most recent in 1969.