SL-8 R/B, 3131
Orbit data source: Space-Track
SL-8 R/B, 3131 is space debris in LEO originally from a launch on Tue, 20 Feb 1968 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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3131 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Yuzhnoe
Mission
Spacecraft
Bus & Motor
S3, Unknown motor
Mass
1,434 kg wet, 1,434 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl, 2.1 m
Radar Cross Section
10.179 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 SL-8 R/B
1 03131U 68011B 25242.87701529 -.00000020 00000-0 -28667-5 0 9996
2 03131 74.0505 188.5380 0013526 91.4984 268.7654 13.18022105767108Epoch: 2025-08-30T21:02Z
TLE epoch observation values (Epoch: 2025-08-30T21:02:54.121Z)
Latitude
-0.00003°
Longitude
-106.49253°
Altitude
1,194.986 km
Speed
7.256 km/s
True Right ascension
12h 34m 09s
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
03:31:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,200.276 km
Perigee altitude
1,179.803 km
Semi-major axis
7,568.177 km
Eccentricity
0.00135
Inclination
74.0505°
RAAN
188.538°
Arg. of periapsis
91.4984°
True anomaly
268.61045°
Mean anomaly
268.7654°
Eccentric anomaly
268.68792°
Mean motion
3.29652 °/min
Orbital period
109.21 mins
BSTAR
-0.0000028667
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Other satellites on launch #11 in the year 1968 (1968-02-20 UTC)
SL-8 R/B Visibility forecast
Observer location: undefined°, undefined°
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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-08-31 20:49:47.062Z | 166.385° S | 2025-08-31 20:55:47.062Z | 98.957° ESE | 34.866° | 2025-08-31 21:01:47.062Z | 33.986° NE |
| 11 mins | 2025-08-31 22:41:47.062Z | 240.05° WSW | 2025-08-31 22:46:47.062Z | 292.203° WNW | 29.884° | 2025-08-31 22:52:47.062Z | 359.07° N |
| 10 mins | 2025-09-01 06:25:47.062Z | 10.821° NNE | 2025-09-01 06:29:47.062Z | 54.055° ENE | 26.128° | 2025-09-01 06:35:47.062Z | 114.473° SE |
| 13 mins | 2025-09-01 08:15:47.062Z | 329.687° NNW | 2025-09-01 08:21:47.062Z | 258.936° W | 39.039° | 2025-09-01 08:28:47.062Z | 183.261° SSW |
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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Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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Authenticating...
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