METEOR 3-5, 21655
Orbit data source: Space-Track
METEOR 3-5, 21655 is a payload satellite owned by Rosgidromet (CIS) in LEO that was launched on Thu, 15 Aug 1991 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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21655 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
VNIIEM
Mission
Civil Weather
Bus & Motor
METEOR-3, Unknown motor
Mass
2,150 kg wet, 2,150 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 6.3 m
Radar Cross Section
21.153 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 METEOR 3-5
1 21655U 91056A 25342.30494491 -.00000103 00000-0 -29980-3 0 9997
2 21655 82.5560 274.2419 0012148 254.4504 105.5277 13.17153201649444Epoch: 2025-12-08T07:19Z
TLE epoch observation values (Epoch: 2025-12-08T07:19:07.240Z)
Latitude
-0.00007°
Longitude
87.15584°
Altitude
1,200.895 km
Speed
7.252 km/s
True Right ascension
18h 16m 58s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
12:16:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,202.055 km
Perigee altitude
1,183.66 km
Semi-major axis
7,570.995 km
Eccentricity
0.00121
Inclination
82.556°
RAAN
274.2419°
Arg. of periapsis
254.4504°
True anomaly
105.66177°
Mean anomaly
105.5277°
Eccentric anomaly
105.59474°
Mean motion
3.29468 °/min
Orbital period
109.27 mins
BSTAR
-0.0002998
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Other satellites on launch #56 in the year 1991 (1991-08-15 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.METEOR 3-5 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2025-12-08 20:11:05.029Z | 176.699° S | 2025-12-08 20:17:05.029Z | 86.208° E | 44.009° | 2025-12-08 20:24:05.029Z | 11.25° NNE |
| 8 mins | 2025-12-08 22:04:05.029Z | 257.42° W | 2025-12-08 22:08:05.029Z | 294.959° NW | 18.526° | 2025-12-08 22:12:05.029Z | 331.546° NNW |
| 8 mins | 2025-12-09 05:49:05.029Z | 33.527° NE | 2025-12-09 05:52:05.029Z | 60.594° ENE | 16.956° | 2025-12-09 05:57:05.029Z | 104.812° ESE |
| 12 mins | 2025-12-09 07:38:05.029Z | 349.549° N | 2025-12-09 07:44:05.029Z | 219.209° SW | 44.317° | 2025-12-09 07:50:05.029Z | 179.308° S |
| 4 mins | 2025-12-09 09:31:05.029Z | 295.652° NW | 2025-12-09 09:33:05.029Z | 278.701° WNW | 12.002° | 2025-12-09 09:35:05.029Z | 262.349° W |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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