Tiros Satellite Bus
Data current as of 2026-07-20.
The Tiros bus accounts for 5 cataloged objects, of which 3 are in orbit and 0 are active. 2 have reentered. Most are built by RCA. The largest operator on this bus is NASA. The first launched in 1960, the most recent in 1963.
3
In orbit
0
Active
5
Total launched
2
Reentered
Tiros launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Tiros satellites.
| Manufacturer | RCA |
|---|---|
| Purpose | Meteorology |
| Launch mass | 120 kg |
| Dry mass | 120 kg |
| Length | 0.6 m |
| Diameter | 1.1 m |
| Span | 1.1 m |
| Shape | Cyl |
| Power | Solar cells, batteries |
| Propulsion | ? |
| Equipment | ? |
| Typical orbit | 96 min period, 58° inclination |
Top operators
Top countries
US 5
Tiros satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| TIROS 8 Tiros 8 | 00716 | 1963-054A | GSFC | Dec 21, 1963 | 98 min, 58.5° | Inactive | ◉ |
| TIROS 7 Tiros 7 | 00604 | 1963-024A | GSFC | Jun 19, 1963 | 88 min, 58.2° | Reentered | ◉ |
| TIROS 6 Tiros 6 | 00397 | 1962-047A | GSFC | Sep 18, 1962 | 96 min, 58.3° | Inactive | ◉ |
| TIROS 5 Tiros 5 | 00309 | 1962-025A | GSFC | Jun 19, 1962 | 99 min, 58.1° | Inactive | ◉ |
| TIROS 2 Tiros 2 | 00063 | 1960-016A | GSFC | Nov 23, 1960 | 88 min, 48.4° | Reentered | ◉ |
Frequently asked questions
How many Tiros satellites are there?
The catalog lists 5 objects built on the Tiros bus. 3 are in orbit and 2 have reentered.
How many Tiros satellites are in orbit?
3 Tiros objects are currently in orbit, of which 0 carry an active status.
Who builds the Tiros bus?
The Tiros bus is most commonly built by RCA.
When did the first Tiros satellite launch?
The first cataloged Tiros satellite launched in 1960, and the most recent in 1963.