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🛰️ SATELLITE · HISTORICAL RECORD

Terilen No. 12L

Re-entered 18 May 1988

Terilen No. 12L (NORAD 19015, COSPAR 1988-027A) was a SU satellite that re-entered Earth's atmosphere on 18 May 1988, launched on 30 Mar 1988 on the Terilen mission. It was operated by UNKS as part of the Terilen programme. The spacecraft was built by TSSKB on the Yantar'-4KS1 bus, with a mass of 3,390 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.

1988
launched
1988
re-entered
0
years on orbit
3,390
kg mass

Lifecycle

Launched30 Mar 1988 · on the Terilen mission
Operational18 May 1988 · entered service
Retired18 May 1988 · end of operational service
Re-entered18 May 1988 · atmospheric re-entry — object destroyed

Specifications

NORAD ID19015
COSPAR1988-027A
TypeSatellite
OperatorUNKS
Country / StateSU
ManufacturerTSSKB
BusYantar'-4KS1
Mass3,390 kg
ProgrammeTerilen
CategoryIMG
OrbitLEO (LLEO/I)
Altitude223 × 285 km
Inclination64.8°

Frequently asked questions

What happened to Terilen No. 12L?

Terilen No. 12L re-entered Earth's atmosphere on 18 May 1988, ending a mission that began with its launch in 1988. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Terilen No. 12L re-enter the atmosphere?

Terilen No. 12L re-entered on 18 May 1988, according to Orbital Radar's historical catalogue records.

Who operated and built Terilen No. 12L?

Terilen No. 12L was operated by UNKS and built by TSSKB (SU).

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