Key statistics
Satellite COSMOS 1555 (GLONASS) at a glance.
Uptime
15132
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
66.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1555 (GLONASS).
Object identification
Identified? True
Debris? False
Object name: COSMOS 1555 (GLONASS)
International designator: 1984-047B
Object number (NORAD): 14978
Object ID (CCSDS): 14978
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 675.733 minutes
Inclination: 66.4822 deg
SMA: 25508.021 km
Apoapsis: 19163.565 km
Periapsis: 19096.207 km
RAAN: 336.4292 deg
Eccentricy: 0.00132032
Argument of periapsis: 184.6344 deg
Mean anomaly: 174.3203 deg
Mean motion: 2.13102044 rev/day
Mean motion (dot): -0.00000054 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Oct. 22, 2025, 4:10 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 21, 2025, 3:19 p.m. UTC
TLE line 0: 0 COSMOS 1555 (GLONASS)
TLE line 1: 1 14978U 84047B 25294.63821786 -.00000054 00000-0 00000-0 0 9995
TLE line 2: 2 14978 66.4822 336.4292 0013203 184.6344 174.3203 2.13102044294414
Live tracking on map
Real-time ground track for satellite COSMOS 1555 (GLONASS).
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 1555 (GLONASS).
Associated space launch
GLONASS navigation satellites
COSMOS 1555 (GLONASS) was lifted into orbit during the mission ‘Proton | Uragan 6 & 7’, on board a Proton space rocket.
The launch took place on May 19, 1984, 3:10 p.m. from 200/40.
For more information about the launch, click the button.

Proton | Uragan 6 & 7
Agency: N/A
Status: Launch Successful
Launch date: May 19, 1984, 3:10 p.m. UTC
Rocket: Proton
Launch pad: 200/40
Location: Baikonur Cosmodrome, Republic of Kazakhstan
...
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