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🛰️ SATELLITE · HISTORICAL RECORD

Nauka 17KS No. 1L

Re-entered 7 Apr 1974

Nauka 17KS No. 1L (NORAD 7222, COSPAR 1974-014E) was a SU satellite that re-entered Earth's atmosphere on 7 Apr 1974, launched on 14 Mar 1974 on the Zenit-2M mission. It was operated by TSSKB as part of the Nauka 17KS programme. The spacecraft was built by TSSKB on the Nauka bus, with a mass of 630 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.

1974
launched
1974
re-entered
0
years on orbit
630
kg mass

Lifecycle

Launched14 Mar 1974 · on the Zenit-2M mission
Operational18 Mar 1974 · entered service
Retired18 Mar 1974 · end of operational service
Re-entered7 Apr 1974 · atmospheric re-entry — object destroyed

Specifications

NORAD ID7222
COSPAR1974-014E
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusNauka
Mass630 kg
ProgrammeNauka 17KS
CategoryTECH
OrbitLEO (LLEO/I)
Altitude198 × 303 km
Inclination72.8°

Frequently asked questions

What happened to Nauka 17KS No. 1L?

Nauka 17KS No. 1L re-entered Earth's atmosphere on 7 Apr 1974, ending a mission that began with its launch in 1974. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Nauka 17KS No. 1L re-enter the atmosphere?

Nauka 17KS No. 1L re-entered on 7 Apr 1974, according to Orbital Radar's historical catalogue records.

Who operated and built Nauka 17KS No. 1L?

Nauka 17KS No. 1L was operated by TSSKB and built by TSSKB (SU).

Launched together

Gektor No. 51LRe-entered 1974
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.