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🛰️ SATELLITE · HISTORICAL RECORD

TKS No. 161-01

Re-entered 2 Feb 1978

TKS No. 161-01 (NORAD 10146, COSPAR 1977-066A) was a SU satellite that re-entered Earth's atmosphere on 2 Feb 1978, launched on 17 Jul 1977 on the TKS No. 16101 mission. It was operated by ZIKH as part of the TKS programme. The spacecraft was built by ZIKH on the 77KS bus, with a mass of 14,750 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.

1977
launched
1978
re-entered
1
year on orbit
14,750
kg mass

Lifecycle

Launched17 Jul 1977 · on the TKS No. 16101 mission
Operational2 Feb 1978 · entered service
Retired2 Feb 1978 · end of operational service
Re-entered2 Feb 1978 · atmospheric re-entry — object destroyed

Specifications

NORAD ID10146
COSPAR1977-066A
TypeSatellite
OperatorZIKH
Country / StateSU
ManufacturerZIKH
Bus77KS
Mass14,750 kg (14,000 kg dry)
ProgrammeTKS
CategorySS
OrbitLEO (LLEO/I)
Altitude194 × 227 km
Inclination51.6°

Frequently asked questions

What happened to TKS No. 161-01?

TKS No. 161-01 re-entered Earth's atmosphere on 2 Feb 1978, ending a mission that began with its launch in 1977. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did TKS No. 161-01 re-enter the atmosphere?

TKS No. 161-01 re-entered on 2 Feb 1978, according to Orbital Radar's historical catalogue records.

Who operated and built TKS No. 161-01?

TKS No. 161-01 was operated by ZIKH and built by ZIKH (SU).

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