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🛰️ SATELLITE · HISTORICAL RECORD

HETE 2

Re-entered 1 Jan 2025

HETE 2 (NORAD 26561, COSPAR 2000-061A) was a US satellite that re-entered Earth's atmosphere on 1 Jan 2025, launched on 9 Oct 2000 on the HETE 2 mission. It was operated by GSFC as part of the UNEX programme. The spacecraft was built by MIT on the HETE bus, with a mass of 124 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

2000
launched
2025
re-entered
25
years on orbit
124
kg mass

Lifecycle

Launched9 Oct 2000 · on the HETE 2 mission
Operational1 Mar 2007 · entered service
Retired1 Mar 2007 · end of operational service
Re-entered1 Jan 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID26561
COSPAR2000-061A
TypeSatellite
OperatorGSFC
Country / StateUS
ManufacturerMIT
BusHETE
Mass124 kg
ProgrammeUNEX
CategorySCI
OrbitLEO (LEO/E)
Altitude595 × 636 km
Inclination1.9°

Frequently asked questions

What happened to HETE 2?

HETE 2 re-entered Earth's atmosphere on 1 Jan 2025, ending a mission that began with its launch in 2000. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did HETE 2 re-enter the atmosphere?

HETE 2 re-entered on 1 Jan 2025, according to Orbital Radar's historical catalogue records.

Who operated and built HETE 2?

HETE 2 was operated by GSFC and built by MIT (US).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-10-21.