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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.

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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: 7 hours ago

TLE from 7 hours ago
0 COSMOS 2155
1 21702U 91064A   26105.25434498  .00000109  00000-0  00000-0 0  9995
2 21702  13.1730 339.7309 0002336 267.9074 258.6701  1.00184315126700
Epoch: 2026-04-15T06:06Z
TLE epoch observation values (Epoch: 2026-04-15T06:06:15.406Z)
Latitude
3.02793°
Longitude
-148.34979°
Altitude
35,812.224 km
Speed
3.074 km/s
True Right ascension
09h 46m 31s
True Declination
3° 01' 30"
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
19:12:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,821.978 km
Perigee altitude
35,802.267 km
Semi-major axis
42,190.259 km
Eccentricity
0.00023
Inclination
13.173°
RAAN
339.7309°
Arg. of periapsis
267.9074°
True anomaly
258.64385°
Mean anomaly
258.6701°
Eccentric anomaly
258.65698°
Mean motion
0.25045 °/min
Orbital period
1,437.4 mins
BSTAR
0
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