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: 8 hours ago
TLE from 8 hours ago
0 METEOR 3-5
1 21655U 91056A 25259.20316568 .00000145 00000-0 34444-3 0 9996
2 21655 82.5599 332.9864 0014524 102.3622 257.9127 13.17149970638503Epoch: 2025-09-16T04:52Z
TLE epoch observation values (Epoch: 2025-09-16T04:52:33.514Z)
Latitude
-0.00005°
Longitude
-95.55009°
Altitude
1,200.753 km
Speed
7.252 km/s
True Right ascension
22h 11m 56s
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
05:14:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,203.866 km
Perigee altitude
1,181.874 km
Semi-major axis
7,571.007 km
Eccentricity
0.00145
Inclination
82.5599°
RAAN
332.9864°
Arg. of periapsis
102.3622°
True anomaly
257.75002°
Mean anomaly
257.9127°
Eccentric anomaly
257.83135°
Mean motion
3.29468 °/min
Orbital period
109.27 mins
BSTAR
0.00034444
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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 | 2025-09-16 16:24:00.796Z | 1.198° NNE | 2025-09-16 16:31:00.796Z | 81.913° E | 39.55° | 2025-09-16 16:37:00.796Z | 153.388° SSE |
| 10 mins | 2025-09-16 18:16:00.796Z | 321.689° NNW | 2025-09-16 18:21:00.796Z | 270.839° WNW | 23.039° | 2025-09-16 18:26:00.796Z | 225.709° WSW |
| 10 mins | 2025-09-17 04:42:00.796Z | 138.79° SSE | 2025-09-17 04:47:00.796Z | 81.169° E | 28.651° | 2025-09-17 04:52:00.796Z | 30.397° NE |
| 12 mins | 2025-09-17 06:31:00.796Z | 218.658° SW | 2025-09-17 06:37:00.796Z | 291.664° WNW | 34.138° | 2025-09-17 06:43:00.796Z | 353.005° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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