HomeLibraryRe-entered SatellitesTselina-D (1) No. 4L
🛰️ SATELLITE · HISTORICAL RECORD

Tselina-D (1) No. 4L

Re-entered 9 Oct 1983

Tselina-D (1) No. 4L (NORAD 6328, COSPAR 1972-106A) was a SU satellite that re-entered Earth's atmosphere on 9 Oct 1983, launched on 28 Dec 1972 on the Tselina-D mission. It was operated by TSN108 as part of the Tselina-D1 programme. The spacecraft was built by YUZH on the Tselina-D bus, with a mass of 1,750 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.

1972
launched
1983
re-entered
11
years on orbit
1,750
kg mass

Lifecycle

Launched28 Dec 1972 · on the Tselina-D mission
Operational1 Jan 1973 · entered service
Retired1 Jan 1973 · end of operational service
Re-entered9 Oct 1983 · atmospheric re-entry — object destroyed

Specifications

NORAD ID6328
COSPAR1972-106A
TypeSatellite
OperatorTSN108
Country / StateSU
ManufacturerYUZH
BusTselina-D
Mass1,750 kg
ProgrammeTselina-D1
CategorySIG
OrbitLEO (LLEO/I)
Altitude524 × 640 km
Inclination81.2°

Frequently asked questions

What happened to Tselina-D (1) No. 4L?

Tselina-D (1) No. 4L re-entered Earth's atmosphere on 9 Oct 1983, ending a mission that began with its launch in 1972. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Tselina-D (1) No. 4L re-enter the atmosphere?

Tselina-D (1) No. 4L re-entered on 9 Oct 1983, according to Orbital Radar's historical catalogue records.

Who operated and built Tselina-D (1) No. 4L?

Tselina-D (1) No. 4L was operated by TSN108 and built by YUZH (SU).

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