IONOSFERA-M 04, 64877
Orbit data source: Space-Track
IONOSFERA-M 04, 64877 is a payload satellite owned by VNIIEM (CIS) in SSO that was launched on Fri, 25 Jul 2025 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). 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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64877 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
VNIIEM
Mission
Operational Civil Science
Bus & Motor
IONOSFERA-M, Unknown motor
Mass
430 kg wet, 430 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Ant, 14.5 m
Radar Cross Section
2.359 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 IONOSFERA-M 04
1 64877U 25155B 26025.60144021 .00000158 00000-0 91804-4 0 9993
2 64877 98.5845 351.1592 0000427 93.4719 266.6507 14.21455882 26140Epoch: 2026-01-25T14:26Z
TLE epoch observation values (Epoch: 2026-01-25T14:26:04.434Z)
Latitude
-0.00005°
Longitude
9.73153°
Altitude
823.372 km
Speed
7.441 km/s
True Right ascension
23h 24m 38s
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
23:37:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
817.891 km
Perigee altitude
817.277 km
Semi-major axis
7,195.721 km
Eccentricity
0.00004
Inclination
98.5845°
RAAN
351.1592°
Arg. of periapsis
93.4719°
True anomaly
266.64582°
Mean anomaly
266.6507°
Eccentric anomaly
266.64826°
Mean motion
3.55575 °/min
Orbital period
101.24 mins
BSTAR
0.000091804
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Other satellites on launch #155 in the year 2025 (2025-07-25 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.IONOSFERA-M 04 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-01-25 23:01:40.429Z | 246.099° WSW | 2026-01-25 23:03:40.429Z | 269.993° W | 13.721° | 2026-01-25 23:05:40.429Z | 293.728° NW |
| 7 mins | 2026-01-26 09:37:40.429Z | 47.121° ENE | 2026-01-26 09:40:40.429Z | 92.955° ESE | 25.845° | 2026-01-26 09:44:40.429Z | 150.54° SSE |
| 7 mins | 2026-01-26 11:17:40.429Z | 345.21° N | 2026-01-26 11:20:40.429Z | 297.087° NW | 29.398° | 2026-01-26 11:24:40.429Z | 234.004° WSW |
| 8 mins | 2026-01-26 20:58:40.429Z | 135.499° SSE | 2026-01-26 21:02:40.429Z | 64.088° ENE | 34.894° | 2026-01-26 21:06:40.429Z | 3.23° NNE |
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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