Key statistics
Satellite COSMOS 304 at a glance.
Uptime
20507
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 304.
Object identification
Identified? True
Debris? False
Object name: COSMOS 304
International designator: 1969-091A
Object number (NORAD): 4138
Object ID (CCSDS): 4138
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.555 minutes
Inclination: 74.0386 deg
SMA: 7115.434 km
Apoapsis: 747.286 km
Periapsis: 727.311 km
RAAN: 220.6637 deg
Eccentricy: 0.00140363
Argument of periapsis: 271.5003 deg
Mean anomaly: 88.4548 deg
Mean motion: 14.46440882 rev/day
Mean motion (dot): 0.00000086 rev/day2
B* drag term: 0.000031462931 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 2:49 a.m. UTC
TLE line 0: 0 COSMOS 304
TLE line 1: 1 04138U 69091A 25346.11790158 .00000086 00000-0 31463-4 0 9998
TLE line 2: 2 04138 74.0386 220.6637 0014036 271.5003 88.4548 14.46440882960681
Live tracking on map
Real-time ground track for satellite COSMOS 304.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 304.
Associated space launch
The first soviet navigation system called Tsiklon consisted of Zaliv satellites in low earth orbit.
COSMOS 304 was lifted into orbit during the mission ‘Kosmos-3M | Zaliv 4’, on board a Kosmos-3M space rocket.
The launch took place on Oct. 21, 1969, 12:49 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Zaliv 4
Agency: N/A
Status: Launch Successful
Launch date: Oct. 21, 1969, 12:49 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
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