Showing default

COSMOS 2155, 21702

Orbit data source: Space-Track

COSMOS 2155, 21702 is a payload satellite owned by PVO (CIS) in GEO that was launched on Fri, 13 Sep 1991 UTC via a PROTON-K/DM-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Loading next visibility...
Identifier
21702, 1991-064A
Orbit
GEO
Country
Flag of CISCIS
Related business
Manufacturer
NPOL/KOMET
Mission
Non-operational Defense Early Warn
Bus & Motor
OKO, Unknown motor
Mass
~1,250 kg wet, ~1,150 kg dry
Launch date (UTC)
1991-09-13 (35 years ago)
Launch vehicle
PROTON-K/DM-2
Launch site
Tyuratam Missile And Space Complex (TTMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 2 Pan, 2.5 m
Radar Cross Section
6.333 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago
0 COSMOS 2155
1 21702U 91064A   26121.73995492  .00000105  00000-0  00000+0 0  9997
2 21702  13.1597 339.6137 0002288 261.6996  91.0490  1.00191595126868
Epoch: 2026-05-01T17:45Z
TLE epoch observation values (Epoch: 2026-05-01T17:45:32.105Z)
Latitude
-1.62615°
Longitude
-153.46912°
Altitude
35,809.087 km
Speed
3.074 km/s
True Right ascension
22h 10m 19s
True Declination
-1° 37' 28"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
07:48:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,819.731 km
Perigee altitude
35,800.426 km
Semi-major axis
42,188.216 km
Eccentricity
0.00023
Inclination
13.1597°
RAAN
339.6137°
Arg. of periapsis
261.6996°
True anomaly
91.07521°
Mean anomaly
91.049°
Eccentric anomaly
91.06211°
Mean motion
0.25047 °/min
Orbital period
1,437.3 mins
BSTAR
0
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...

Documentation

Showing up to 5 results
|