RASSVET-3 21, 100087
Orbit data source: Space-Track
RASSVET-3 21, 100087 is a payload satellite owned by Byuro 1440 (CIS) in LEO that was launched on Sun, 19 Jul 2026 UTC launched 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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100087 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Byuro 1440
Mission
Operational spacecraft
Bus & Motor
RASSVET-2, Unknown motor
Mass
~370 kg wet, ~370 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
BOX+1 PAN, 14.5 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 RASSVET-3 21
1 A0087U 26165E 26251.82158156 .00032526 00000-0 27640-3 0 9997
2 A0087 82.3017 173.9672 0008732 177.3429 182.7880 15.69399280 8055Epoch: 2026-09-08T19:43Z
TLE epoch observation values (Epoch: 2026-09-08T19:43:04.646Z)
Latitude
-0.00005°
Longitude
-109.68466°
Altitude
369.643 km
Speed
7.684 km/s
True Right ascension
11h 35m 52s
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
01:32:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
363.411 km
Perigee altitude
351.648 km
Semi-major axis
6,735.666 km
Eccentricity
0.00087
Inclination
82.3017°
RAAN
173.9672°
Arg. of periapsis
177.3429°
True anomaly
182.78314°
Mean anomaly
182.788°
Eccentric anomaly
182.78557°
Mean motion
3.9262 °/min
Orbital period
91.69 mins
BSTAR
0.0002764
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Other satellites on launch #165 in the year 2026 (2026-07-19 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.RASSVET-3 21 Visibility
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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. |
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| RASSVET-3 21 is likely not visible in the next few days. |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 |
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