Launch · COSPAR 1981-031 · 31 Mar 1981

COSMOS 1261

Name: Launch 1981-031 — COSMOS 1261
Start: 1981-03-31
Location: Plesetsk Cosmodrome

Payloads

Catalogued objects

payloads + rocket bodies + debris

Still on orbit

Decayed

43% of objects

Owners (SATCAT owner codes)

Catalogue

Objects from this launch · 14

Payload Payload · 1

Name	NORAD	COSPAR	Status	Orbit	Perigee / apogee	Incl.	Decayed	Operator
COSMOS 1261 Kosmos (Russian military / government)	12376	1981-031A	Unknown	HEO	4,752 / 35,563 km	69.04°	on orbit	Russian Ministry of Defence

Rocket body Rocket body · 2

Name	NORAD	COSPAR	Status	Orbit	Perigee / apogee	Incl.	Decayed	Operator
SL-6 R/B(1)	12377	1981-031B	Decayed	LEO	132 / 205 km	62.85°	17 Apr 1981	—
SL-6 R/B(2)	12384	1981-031D	Inactive	HEO	3,955 / 35,890 km	68.13°	on orbit	—

Debris Debris · 11

Name	NORAD	COSPAR	Status	Orbit	Perigee / apogee	Incl.	Decayed	Operator
SL-6 PLAT	12378	1981-031C	Decayed	LEO	107 / 125 km	62.78°	17 Apr 1981	—
COSMOS 1261 DEB	12892	1981-031E	Inactive	OTHER	121 / 23,158 km	62.09°	on orbit	—
COSMOS 1261 DEB	12893	1981-031F	Inactive	HEO	1,140 / 39,133 km	64.00°	on orbit	—
COSMOS 1261 DEB	12894	1981-031G	Inactive	HEO	5,307 / 35,070 km	69.85°	on orbit	—
COSMOS 1261 DEB	27796	1981-031H	Inactive	HEO	1,624 / 38,528 km	65.18°	on orbit	—
COSMOS 1261 DEB	27901	1981-031J	Decayed	OTHER	126 / 30,046 km	62.16°	18 Jul 2025	—
COSMOS 1261 DEB	27902	1981-031K	Decayed	HEO	125 / 35,891 km	62.15°	26 Jun 2025	—
COSMOS 1261 DEB	29202	1981-031L	Decayed	OTHER	215 / 30,621 km	61.12°	07 May 2025	—
COSMOS 1261 DEB	33520	1981-031M	Inactive	MEO	5,874 / 34,446 km	69.25°	on orbit	—
COSMOS 1261 DEB	35507	1981-031N	Inactive	HEO	406 / 39,716 km	61.25°	on orbit	—
COSMOS 1261 DEB	48264	1981-031P	Decayed	OTHER	112 / 32,009 km	62.18°	25 Apr 2025	—

Record

Timeline

No events recorded for this launch or its objects.

This launch is derived from catalogued objects sharing the international designator 1981-031; date and site come from SATCAT. See the methodology.