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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
64877 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 16 hours ago
TLE from 16 hours ago
0 IONOSFERA-M 04
1 64877U 25155B 25338.79389226 .00000178 00000-0 10095-3 0 9991
2 64877 98.5770 300.8050 0001731 71.5515 288.5851 14.21439080 18785Epoch: 2025-12-04T19:03Z
TLE epoch observation values (Epoch: 2025-12-04T19:03:12.291Z)
Latitude
0.00001°
Longitude
-58.84144°
Altitude
823.014 km
Speed
7.442 km/s
True Right ascension
20h 03m 13s
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
08:56:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
818.886 km
Perigee altitude
816.395 km
Semi-major axis
7,195.777 km
Eccentricity
0.00017
Inclination
98.577°
RAAN
300.805°
Arg. of periapsis
71.5515°
True anomaly
288.5663°
Mean anomaly
288.5851°
Eccentric anomaly
288.5757°
Mean motion
3.55571 °/min
Orbital period
101.25 mins
BSTAR
0.00010095
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #155 in the year 2025 (2025-07-25 UTC)
Did you know?
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
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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-05 20:33:49.670Z | 101.228° ESE | 2025-12-05 20:35:49.670Z | 70.953° E | 22.709° | 2025-12-05 20:39:49.670Z | 16.327° NNE |
| 8 mins | 2025-12-05 22:12:49.670Z | 202.364° SSW | 2025-12-05 22:15:49.670Z | 257.002° W | 33.379° | 2025-12-05 22:20:49.670Z | 331.144° NNW |
| 9 mins | 2025-12-06 10:29:49.670Z | 15.395° NNE | 2025-12-06 10:33:49.670Z | 97.479° ESE | 44.869° | 2025-12-06 10:38:49.670Z | 192.456° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|