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🛰️ SATELLITE · HISTORICAL RECORD

ASTRO-E2

Re-entered 5 Jan 2025

ASTRO-E2 (NORAD 28773, COSPAR 2005-025A) was a J satellite that re-entered Earth's atmosphere on 5 Jan 2025, launched on 10 Jul 2005 on the ASTRO-E2 mission. It was operated by ISASJ as part of the ASTRO programme. The spacecraft was built by ISASJ on the ASTRO E bus, with a mass of 1,700 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.

2005
launched
2025
re-entered
20
years on orbit
1,700
kg mass

Lifecycle

Launched10 Jul 2005 · on the ASTRO-E2 mission
Operational1 Jun 2015 · entered service
Retired2 Sep 2015 · end of operational service
Re-entered5 Jan 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID28773
COSPAR2005-025A
TypeSatellite
OperatorISASJ
Country / StateJ
ManufacturerISASJ
BusASTRO E
Mass1,700 kg
ProgrammeASTRO
CategoryAST
OrbitLEO (LLEO/I)
Altitude248 × 540 km
Inclination31.4°

Frequently asked questions

What happened to ASTRO-E2?

ASTRO-E2 re-entered Earth's atmosphere on 5 Jan 2025, ending a mission that began with its launch in 2005. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did ASTRO-E2 re-enter the atmosphere?

ASTRO-E2 re-entered on 5 Jan 2025, according to Orbital Radar's historical catalogue records.

How long was ASTRO-E2 operational?

ASTRO-E2 was operational for roughly 3 months, from 1 Jun 2015 to 2 Sep 2015.

Who operated and built ASTRO-E2?

ASTRO-E2 was operated by ISASJ and built by ISASJ (J).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.