HS-393 Satellite Bus
Data current as of 2026-07-20.
The HS-393 bus accounts for 3 cataloged objects, of which 3 are in orbit and 0 are active. Most are built by HSES. The largest operator on this bus is JCSAT. The first launched in 1989, the most recent in 1990.
3
In orbit
0
Active
3
Total launched
0
Reentered
HS-393 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged HS-393 satellites.
| Manufacturer | HSES |
|---|---|
| Purpose | Communication |
| Launch mass | 2280 kg |
| Dry mass | 1100 kg |
| Length | 10 m |
| Diameter | 3.6 m |
| Span | 10 m |
| Shape | Cyl |
| Power | Solar cells (body mounted and drop-skirt), batteries |
| Propulsion | R-4D-12 x2 |
| Design life | 10 years |
| Equipment | 32 Ku-band trnasponders |
| Typical orbit | 1447 min period, 13° inclination |
Top operators
JCSAT 2 HCI 1
Top countries
J 2 US 1
HS-393 satellites
Track any of them live in KeepTrack.
Frequently asked questions
How many HS-393 satellites are there?
The catalog lists 3 objects built on the HS-393 bus. 3 are in orbit and 0 have reentered.
How many HS-393 satellites are in orbit?
3 HS-393 objects are currently in orbit, of which 0 carry an active status.
Who builds the HS-393 bus?
The HS-393 bus is most commonly built by HSES.
When did the first HS-393 satellite launch?
The first cataloged HS-393 satellite launched in 1989, and the most recent in 1990.