RADIO ROSTO, 23439
Orbit data source: Space-Track
RADIO ROSTO, 23439 is a payload satellite owned by NPO PM (CIS) in LEO that was launched on Mon, 26 Dec 1994 UTC via an ROKOT 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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23439 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Partially operational Civil Communications
Bus & Motor
STRELA-1M, Unknown motor
Mass
70 kg wet, 70 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere, Unknown HBR
Radar Cross Section
0.785 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 RADIO ROSTO
1 23439U 94085A 26171.39747735 -.00000030 00000-0 35297-3 0 9992
2 23439 64.8186 298.0240 0156038 3.2812 356.9100 11.27583497296266Epoch: 2026-06-20T09:32Z
TLE epoch observation values (Epoch: 2026-06-20T09:32:22.043Z)
Latitude
0.00004°
Longitude
-113.68051°
Altitude
1,893.094 km
Speed
6.997 km/s
True Right ascension
19h 52m 05s
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
00:54:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
2,152.183 km
Perigee altitude
1,890.063 km
Semi-major axis
8,399.26 km
Eccentricity
0.0156
Inclination
64.8186°
RAAN
298.024°
Arg. of periapsis
3.2812°
True anomaly
356.8117°
Mean anomaly
356.91°
Eccentric anomaly
356.86104°
Mean motion
2.81956 °/min
Orbital period
127.68 mins
BSTAR
0.00035297
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Other satellites on launch #85 in the year 1994 (1994-12-26 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.RADIO ROSTO 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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2026-06-22 15:12:52.691Z | 331.211° NNW | 2026-06-22 15:19:52.691Z | 11.978° NNE | 19.526° | 2026-06-22 15:27:52.691Z | 56.768° ENE |
| 21 mins | 2026-06-22 17:26:52.691Z | 336.24° NNW | 2026-06-22 17:36:52.691Z | 48.534° ENE | 35.914° | 2026-06-22 17:47:52.691Z | 115.824° SE |
| 21 mins | 2026-06-22 19:39:52.691Z | 319.447° NNW | 2026-06-22 19:49:52.691Z | 238.96° WSW | 40.593° | 2026-06-22 20:00:52.691Z | 172.556° S |
| 14 mins | 2026-06-23 07:52:52.691Z | 144.794° SSE | 2026-06-23 07:59:52.691Z | 99.111° ESE | 22.631° | 2026-06-23 08:06:52.691Z | 56.281° ENE |
| 20 mins | 2026-06-23 10:00:52.691Z | 214.508° SW | 2026-06-23 10:10:52.691Z | 331.888° NNW | 44.651° | 2026-06-23 10:20:52.691Z | 30.954° NE |
| 17 mins | 2026-06-23 12:16:52.691Z | 277.271° WNW | 2026-06-23 12:24:52.691Z | 329.663° NNW | 25.706° | 2026-06-23 12:33:52.691Z | 25.041° NE |
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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