SL-4 R/B, 61731 (Decayed)
Orbit data source: Space-Track
SL-4 R/B, 61731 was space debris in LEO originally from a launch on Thu, 31 Oct 2024 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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61731 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
TsSKB-Progress
Mission
Decayed spacecraft
Bus & Motor
BLOK-I, Unknown motor
Mass
~0 kg wet, 2,350 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl, 4.5 m
Radar Cross Section
21.560 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 months ago
TLE from 5 months ago
0 SL-4 R/B
1 61731U 24197B 25106.42880142 .17476999 27763-5 26304-3 0 9994
2 61731 97.5274 34.5122 0011029 201.7222 257.6014 16.48060533 26223Epoch: 2025-04-16T10:17Z
TLE epoch observation values (Epoch: 2025-04-16T10:17:28.442Z)
Latitude
78.19089°
Longitude
-105.7414°
Altitude
159.19 km
Speed
7.817 km/s
True Right ascension
16h 53m 46s
True Declination
78° 06' 56"
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
16:17:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
148.441 km
Perigee altitude
134.06 km
Semi-major axis
6,519.388 km
Eccentricity
0.0011
Inclination
97.5274°
RAAN
34.5122°
Arg. of periapsis
201.7222°
True anomaly
257.478°
Mean anomaly
257.6014°
Eccentric anomaly
257.5397°
Mean motion
4.12319 °/min
Orbital period
87.31 mins
BSTAR
0.00026304
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Other satellites on launch #197 in the year 2024 (2024-10-31 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.SL-4 R/B 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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| This satellite is decayed. |
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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