Kobal't No. 811

Re-entered 20 Nov 1984

Kobal't No. 811 (NORAD 15318, COSPAR 1984-102A) was a SU satellite that re-entered Earth's atmosphere on 20 Nov 1984, launched on 25 Sep 1984 on the Kobal't mission. It was operated by GUKOS as part of the Kobal't programme. The spacecraft was built by TSSKB on the Yantar'-4K2 bus, with a mass of 2,886 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.

1984

launched

1984

re-entered

years on orbit

2,886

kg mass

Lifecycle

Launched25 Sep 1984 · on the Kobal't mission

Operational20 Nov 1984 · entered service

Retired20 Nov 1984 · end of operational service

Re-entered20 Nov 1984 · atmospheric re-entry — object destroyed

Specifications

NORAD ID15318

COSPAR1984-102A

TypeSatellite

OperatorGUKOS

Country / StateSU

ManufacturerTSSKB

BusYantar'-4K2

Mass2,886 kg

ProgrammeKobal't

CategoryIMG

OrbitLEO (LLEO/I)

Altitude175 × 301 km

Inclination67.1°

Frequently asked questions

What happened to Kobal't No. 811?

Kobal't No. 811 re-entered Earth's atmosphere on 20 Nov 1984, ending a mission that began with its launch in 1984. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Kobal't No. 811 re-enter the atmosphere?

Kobal't No. 811 re-entered on 20 Nov 1984, according to Orbital Radar's historical catalogue records.

Who operated and built Kobal't No. 811?

Kobal't No. 811 was operated by GUKOS and built by TSSKB (SU).

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

Browse the live satellite directory → Re-entered satellites archive → Launch record: Kobal't → What is space debris? →