Key statistics
Satellite COSMOS 1818 COOLANT at a glance.
Uptime
14138
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
65.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1818 COOLANT.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1818 COOLANT
International designator: 1987-011AS
Object number (NORAD): 50777
Object ID (CCSDS): 50777
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.999 minutes
Inclination: 65.0093 deg
SMA: 7136.603 km
Apoapsis: 769.08 km
Periapsis: 747.856 km
RAAN: 127.1388 deg
Eccentricy: 0.00148701
Argument of periapsis: 274.0701 deg
Mean anomaly: 85.8688 deg
Mean motion: 14.40009832 rev/day
Mean motion (dot): 0.00001337 rev/day2
B* drag term: 0.00045520633 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 6:30 a.m. UTC
TLE line 0: 0 COSMOS 1818 COOLANT
TLE line 1: 1 50777U 87011AS 25289.27129239 .00001337 00000-0 45521-3 0 9998
TLE line 2: 2 50777 65.0093 127.1388 0014870 274.0701 85.8688 14.40009832 72960
Live tracking on map
Real-time ground track for satellite COSMOS 1818 COOLANT.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1818 COOLANT.
Associated space launch
Nuclear-powered magnetospheric research satellite
COSMOS 1818 COOLANT was lifted into orbit during the mission ‘Tsiklon-2 | Plasma-A 1’, on board a Tsiklon-2 space rocket.
The launch took place on Feb. 1, 1987, 11:30 p.m. from 90.
For more information about the launch, click the button.
Tsiklon-2 | Plasma-A 1
Agency: N/A
Status: Launch Successful
Launch date: Feb. 1, 1987, 11:30 p.m. UTC
Rocket: Tsiklon-2
Launch pad: 90
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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