MOLNIYA 1-91, 25485
Orbit data source: Space-Track
MOLNIYA 1-91, 25485 is a payload satellite owned by VKS RVSN (CIS) in HEO that was launched on Mon, 28 Sep 1998 UTC via an MOLNIYA 8K78M 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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25485 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
MOLNIYA-1T, Unknown motor
Mass
1,670 kg wet, ~1,620 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + Cone + 6 Pan, 4.3 m
Radar Cross Section
15.107 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 MOLNIYA 1-91
1 25485U 98054A 26192.75772591 .00000036 00000-0 00000-0 0 9992
2 25485 64.6659 281.9267 6655156 282.9238 15.2939 2.36443248214153Epoch: 2026-07-11T18:11Z
TLE epoch observation values (Epoch: 2026-07-11T18:11:07.518Z)
Latitude
0.00043°
Longitude
79.44427°
Altitude
5,182.558 km
Speed
7.226 km/s
True Right ascension
18h 47m 34s
True Declination
0° 00' 02"
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
06:52:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
33,260.122 km
Perigee altitude
1,582.388 km
Semi-major axis
23,799.392 km
Eccentricity
0.66552
Inclination
64.6659°
RAAN
281.9267°
Arg. of periapsis
282.9238°
True anomaly
77.55365°
Mean anomaly
15.2939°
Eccentric anomaly
39.59931°
Mean motion
0.59115 °/min
Orbital period
608.99 mins
BSTAR
0
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Other satellites on launch #54 in the year 1998 (1998-09-28 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.MOLNIYA 1-91 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 252 mins | 2026-07-12 18:30:05.056Z | 325.343° NNW | 2026-07-12 19:28:05.056Z | 320.224° NNW | 29.823° | 2026-07-12 22:42:05.056Z | 284.627° WNW |
| 173 mins | 2026-07-13 02:05:05.056Z | 37.68° NE | 2026-07-13 03:16:05.056Z | 25.367° NE | 13.658° | 2026-07-13 04:58:05.056Z | 20.48° NNE |
| 446 mins | 2026-07-13 11:04:05.056Z | 268.711° W | 2026-07-13 17:43:05.056Z | 299.233° NW | 43.332° | 2026-07-13 18:30:05.056Z | 264.923° 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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