Key statistics
Satellite COSMOS 1261 at a glance.
Uptime
16109
Days in orbit
Revolutions
≈ 2.0
Per day
Orbit
OTHER
Other
Inclination
68.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1261.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1261
International designator: 1981-031A
Object number (NORAD): 12376
Object ID (CCSDS): 12376
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 717.271 minutes
Inclination: 68.4719 deg
SMA: 26542.938 km
Apoapsis: 36302.214 km
Periapsis: 4027.392 km
RAAN: 114.1095 deg
Eccentricy: 0.6079738
Argument of periapsis: 1.1072 deg
Mean anomaly: 359.6862 deg
Mean motion: 2.00760965 rev/day
Mean motion (dot): 0.00000211 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: May 4, 2025, 5:21 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 3, 2025, 5:32 p.m. UTC
TLE line 0: 0 COSMOS 1261
TLE line 1: 1 12376U 81031A 25123.73068776 .00000211 00000-0 00000-0 0 9993
TLE line 2: 2 12376 68.4719 114.1095 6079738 1.1072 359.6862 2.00760965219251
Live tracking on map
Real-time ground track for satellite COSMOS 1261.
Associated space launch
Early warning satellite
COSMOS 1261 was lifted into orbit during the mission ‘Molniya-M | US-K 20’, on board a Molniya-M space rocket.
The launch took place on March 31, 1981, 9:39 a.m. from 41/1.
For more information about the launch, click the button.
Molniya-M | US-K 20
Agency: N/A
Status: Launch Successful
Launch date: March 31, 1981, 9:39 a.m. UTC
Rocket: Molniya-M
Launch pad: 41/1
Location: Plesetsk Cosmodrome, Russian Federation
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