HS-333 Satellite Bus
Data current as of 2026-07-20.
The HS-333 bus accounts for 8 cataloged objects, of which 8 are in orbit and 0 are active. Most are built by HSES. The largest operator on this bus is TCAN. The first launched in 1972, the most recent in 1979.
8
In orbit
0
Active
8
Total launched
0
Reentered
HS-333 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged HS-333 satellites.
| Manufacturer | HSES |
|---|---|
| Purpose | Communication |
| Launch mass | 282 kg |
| Dry mass | 220 kg |
| Length | 1.6 m |
| Diameter | 2.2 m |
| Span | 3.5 m |
| Shape | Cyl + Dish |
| Power | Solar cells (body mounted), batteries |
| Propulsion | FW5 |
| Design life | 7 years |
| Equipment | 12 C-band transponders |
| Typical orbit | 1439 min period, 7° inclination |
Top operators
TCAN 3 WUTC 3 PER 2
Top countries
CA 3 US 3 ID 2
HS-333 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| WESTAR 3 Westar 3 | 11484 | 1979-072A | WUTC | Aug 10, 1979 | 1441 min, 10.2° | Inactive | ◉ |
| PALAPA 2 Palapa A2 | 09862 | 1977-018A | PER | Mar 10, 1977 | 1439 min, 8.6° | Inactive | ◉ |
| PALAPA 1 Palapa A1 | 09009 | 1976-066A | PER | Jul 8, 1976 | 1439 min, 7.8° | Inactive | ◉ |
| ANIK A3 (TELESAT 3) Anik A3 | 07790 | 1975-038A | TCAN | May 7, 1975 | 1439 min, 7.6° | Inactive | ◉ |
| WESTAR 2 Westar 2 | 07466 | 1974-075A | WUTC | Oct 10, 1974 | 1442 min, 7.2° | Inactive | ◉ |
| WESTAR 1 Westar 1 | 07250 | 1974-022A | WUTC | Apr 13, 1974 | 1441 min, 7.0° | Inactive | ◉ |
| ANIK A2 (TELESAT 2) Anik A2 | 06437 | 1973-023A | TCAN | Apr 20, 1973 | 1443 min, 6.9° | Inactive | ◉ |
| ANIK A1 (TELESAT 1) Anik A1 | 06278 | 1972-090A | TCAN | Nov 10, 1972 | 1457 min, 6.1° | Inactive | ◉ |
Frequently asked questions
How many HS-333 satellites are there?
The catalog lists 8 objects built on the HS-333 bus. 8 are in orbit and 0 have reentered.
How many HS-333 satellites are in orbit?
8 HS-333 objects are currently in orbit, of which 0 carry an active status.
Who builds the HS-333 bus?
The HS-333 bus is most commonly built by HSES.
When did the first HS-333 satellite launch?
The first cataloged HS-333 satellite launched in 1972, and the most recent in 1979.