Key statistics
Satellite COSMOS 1503 at a glance.
Uptime
15348
Days in orbit
Revolutions
≈ 14.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1503.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1503
International designator: 1983-103A
Object number (NORAD): 14401
Object ID (CCSDS): 14401
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 100.486 minutes
Inclination: 74.0448 deg
SMA: 7159.758 km
Apoapsis: 790.895 km
Periapsis: 772.35 km
RAAN: 194.1091 deg
Eccentricy: 0.00129506
Argument of periapsis: 9.7215 deg
Mean anomaly: 350.4184 deg
Mean motion: 14.33029976 rev/day
Mean motion (dot): 0.00000243 rev/day2
B* drag term: 0.00009820887 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 11:50 p.m. UTC
TLE line 0: 0 COSMOS 1503
TLE line 1: 1 14401U 83103A 25291.99355214 .00000243 00000-0 98209-4 0 9993
TLE line 2: 2 14401 74.0448 194.1091 0012951 9.7215 350.4184 14.33029976194931
Live tracking on map
Real-time ground track for satellite COSMOS 1503.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1503.
Associated space launch
Military communications satellite
COSMOS 1503 was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 33’, on board a Kosmos-3M space rocket.
The launch took place on Oct. 12, 1983, 12:20 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-2M 33
Agency: N/A
Status: Launch Successful
Launch date: Oct. 12, 1983, 12:20 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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