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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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, 5.0 m
Radar Cross Section
2.359 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 IONOSFERA-M 04
1 64877U 25155B 26302.93313144 .00000011 00000-0 24643-4 0 9996
2 64877 98.6230 261.4773 0001282 115.6689 244.4621 14.21508358 65541Epoch: 2026-10-29T22:23Z
TLE epoch observation values (Epoch: 2026-10-29T22:23:42.556Z)
Latitude
-0.00003°
Longitude
-112.71047°
Altitude
823.573 km
Speed
7.441 km/s
True Right ascension
17h 25m 54s
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
02:31:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
818.331 km
Perigee altitude
816.486 km
Semi-major axis
7,195.546 km
Eccentricity
0.00013
Inclination
98.623°
RAAN
261.4773°
Arg. of periapsis
115.6689°
True anomaly
244.44885°
Mean anomaly
244.4621°
Eccentric anomaly
244.45547°
Mean motion
3.55588 °/min
Orbital period
101.24 mins
BSTAR
0.000024643
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-10-30 09:08:29.973Z | 51.747° ENE | 2026-10-30 09:11:29.973Z | 89.899° E | 20.398° | 2026-10-30 09:15:29.973Z | 139.555° SSE |
| 8 mins | 2026-10-30 10:48:29.973Z | 355.247° N | 2026-10-30 10:52:29.973Z | 272.027° WNW | 47.268° | 2026-10-30 10:56:29.973Z | 218.16° SW |
| 7 mins | 2026-10-30 20:30:29.973Z | 117.234° SE | 2026-10-30 20:33:29.973Z | 68.937° E | 31.805° | 2026-10-30 20:37:29.973Z | 10.941° NNE |
| 7 mins | 2026-10-30 22:10:29.973Z | 213.03° SW | 2026-10-30 22:13:29.973Z | 261.766° W | 31.798° | 2026-10-30 22:17:29.973Z | 320.912° 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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