NRL 14 Satellite Bus
Data current as of 2026-07-20.
The NRL 14 bus accounts for 7 cataloged objects, of which 7 are in orbit and 6 are active. Most are built by NRL. The largest operator on this bus is Naval Research Laboratory. The first launched in 1964, the most recent in 1969.
7
In orbit
6
Active
7
Total launched
0
Reentered
NRL 14 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged NRL 14 satellites.
| Manufacturer | NRL |
|---|---|
| Purpose | Radar calibration |
| Launch mass | 1 kg |
| Dry mass | 1 kg |
| Length | 0.4 m |
| Diameter | 0.4 m |
| Span | 0.4 m |
| Shape | Sphere |
| Power | None |
| Propulsion | None |
| Design life | Passive |
| Equipment | None |
| Typical orbit | 103 min period, 90° inclination |
Top operators
Top countries
US 7
NRL 14 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| TEMPSAT 2 Tempsat 2 | 04168 | 1969-082H | NRL | Sep 30, 1969 | 103 min, 70.0° | Inactive | ◉ |
| SURCAL 159 Calsphere III | 02872 | 1967-053F | NRL | May 31, 1967 | 103 min, 70.0° | Active | ◉ |
| OPS 5712 (P/L 160) Calsphere IV | 02826 | 1967-053A | NRL | May 31, 1967 | 97 min, 69.9° | Active | ◉ |
| CALSPHERE 4A Calsphere | 01520 | 1965-065H | NRL | Aug 13, 1965 | 108 min, 89.9° | Active | ◉ |
| TEMPSAT 1 Tempsat 1 | 01512 | 1965-065E | NRL | Aug 13, 1965 | 108 min, 90.0° | Active | ◉ |
| CALSPHERE 2 Dragsphere 2 | 00902 | 1964-063E | NRL | Oct 6, 1964 | 106 min, 90.2° | Active | ◉ |
| CALSPHERE 1 Dragsphere 1 | 00900 | 1964-063C | NRL | Oct 6, 1964 | 105 min, 90.2° | Active | ◉ |
Frequently asked questions
How many NRL 14 satellites are there?
The catalog lists 7 objects built on the NRL 14 bus. 7 are in orbit and 0 have reentered.
How many NRL 14 satellites are in orbit?
7 NRL 14 objects are currently in orbit, of which 6 carry an active status.
Who builds the NRL 14 bus?
The NRL 14 bus is most commonly built by NRL.
When did the first NRL 14 satellite launch?
The first cataloged NRL 14 satellite launched in 1964, and the most recent in 1969.