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🛰️ SATELLITE · HISTORICAL RECORD

TES

Re-entered 25 Dec 2025

TES (NORAD 26957, COSPAR 2001-049A) was a IN satellite that re-entered Earth's atmosphere on 25 Dec 2025, launched on 22 Oct 2001 on the TES mission. It was operated by ISRO as part of the IRS programme. The spacecraft was built by ISAC? on the IRS bus, with a mass of 1,108 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.

2001
launched
2025
re-entered
24
years on orbit
1,108
kg mass

Lifecycle

Launched22 Oct 2001 · on the TES mission
Operational14 Apr 2013 · entered service
Retired14 Apr 2013 · end of operational service
Re-entered25 Dec 2025 · atmospheric re-entry — object destroyed

Specifications

NORAD ID26957
COSPAR2001-049A
TypeSatellite
OperatorISRO
Country / StateIN
ManufacturerISAC?
BusIRS
Mass1,108 kg (950 kg dry)
ProgrammeIRS
CategoryIMG/TECH
OrbitLEO (LLEO/S)
Altitude550 × 579 km
Inclination97.8°

Frequently asked questions

What happened to TES?

TES re-entered Earth's atmosphere on 25 Dec 2025, ending a mission that began with its launch in 2001. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did TES re-enter the atmosphere?

TES re-entered on 25 Dec 2025, according to Orbital Radar's historical catalogue records.

Who operated and built TES?

TES was operated by ISRO and built by ISAC? (IN).

Launched together

PROBANORAD 26958BIRDRe-entered 2023
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.