RESURS O1-N4, 25394
Orbit data source: Space-Track
RESURS O1-N4, 25394 is a payload satellite owned by Priroda (CIS) in SSO that was launched on Fri, 10 Jul 1998 UTC via a ZENIT-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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25394 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
VNIIEM
Mission
Civil Imaging
Bus & Motor
RESURS-O, Unknown motor
Mass
2,444 kg wet, 2,444 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 5.8 m
Radar Cross Section
11.656 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 RESURS O1-N4
1 25394U 98043A 25289.65232806 .00000194 00000-0 10242-3 0 9991
2 25394 98.9093 254.0410 0002415 101.2744 258.8706 14.25010084417643Epoch: 2025-10-16T15:39Z
TLE epoch observation values (Epoch: 2025-10-16T15:39:21.144Z)
Latitude
-0.00003°
Longitude
-6.20607°
Altitude
811.709 km
Speed
7.447 km/s
True Right ascension
16h 56m 09s
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
01:34:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
807.355 km
Perigee altitude
803.885 km
Semi-major axis
7,183.757 km
Eccentricity
0.00024
Inclination
98.9093°
RAAN
254.041°
Arg. of periapsis
101.2744°
True anomaly
258.84345°
Mean anomaly
258.8706°
Eccentric anomaly
258.85702°
Mean motion
3.56464 °/min
Orbital period
100.99 mins
BSTAR
0.00010242
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Other satellites on launch #43 in the year 1998 (1998-07-10 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.RESURS O1-N4 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-10-17 10:47:13.572Z | 10.188° NNE | 2025-10-17 10:50:13.572Z | 338.757° N | 44.018° | 2025-10-17 10:55:13.572Z | 199.555° SSW |
| 5 mins | 2025-10-17 20:29:13.572Z | 88.071° E | 2025-10-17 20:31:13.572Z | 58.918° ENE | 18.751° | 2025-10-17 20:34:13.572Z | 21.592° NNE |
| 8 mins | 2025-10-17 22:07:13.572Z | 191.655° SSW | 2025-10-17 22:10:13.572Z | 253.869° W | 38.404° | 2025-10-17 22:15:13.572Z | 335.375° NNW |
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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