HETE Satellite Bus

Data current as of 2026-07-20.

The HETE bus accounts for 3 cataloged objects, of which 1 are in orbit and 0 are active. 2 have reentered. Most are built by AEROA. The largest operator on this bus is NASA. The first launched in 1996, the most recent in 2000.

1
In orbit
0
Active
3
Total launched
2
Reentered

HETE launched per year

1 1996: 1 launched, 1 since reentered 1997: 0 objects launched 1998: 0 objects launched 1999: 1 launched, 1 since reentered 2000: 1 object launched 1996 1997 1998 1999 2000
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged HETE satellites.

Manufacturer AEROA
Purpose Gamma ray astronomy
Launch mass 114 kg
Dry mass 114 kg
Length 0.7 m
Diameter 0.5 m
Span 1.1 m
Shape Box
Power 4 deployable fixed solar arrays, batteries
Propulsion None
Design life 1 year (planned)
Equipment FREGATE, WXM, SXC
Typical orbit 95 min period, 2° inclination

Top operators

Top countries

US 3

HETE satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
HETE-2 HETE 2 26561 2000-061A GSFC Oct 9, 2000 95 min, 1.9° Inactive
TERRIERS TERRIERS 25735 1999-026A GSFC May 18, 1999 87 min, 97.2° Reentered
SAC-B & HETE & PEGASUS HETE 24645 1996-061A GSFC Nov 4, 1996 87 min, 37.9° Reentered

Frequently asked questions

How many HETE satellites are there?

The catalog lists 3 objects built on the HETE bus. 1 are in orbit and 2 have reentered.

How many HETE satellites are in orbit?

1 HETE objects are currently in orbit, of which 0 carry an active status.

Who builds the HETE bus?

The HETE bus is most commonly built by AEROA.

When did the first HETE satellite launch?

The first cataloged HETE satellite launched in 1996, and the most recent in 2000.

Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.