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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Identifier
3131, 1968-011B
Orbit
LEO
Last TLE update
15 hours ago
Origin
Manufacturer
Yuzhnoe
Mission
Spacecraft
Bus & Motor
S3, Unknown motor
Mass
1,434 kg wet, 1,434 kg dry
Launch date (UTC)
1968-02-20 (57 years ago)
Launch vehicle
Unknown
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 4.2 m
Radar Cross Section
10.179 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago
0 SL-8 R/B
1  3131U 68011B   25109.21976389  .00000192  00000-0  54077-3 0  9994
2  3131  74.0539  29.2572 0014768 316.6845  43.3082 13.18017844749933
Epoch: 2025-04-19T05:16Z
Definitive object data (Epoch: 2025-04-19T05:16:27.6Z)
Latitude
0.00001°
Longitude
102.57611°
Altitude
1,186.639 km
Speed
7.264 km/s
True Right ascension
01h 57m 01s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
38.76091°
Longitude
-91.57344°
Altitude
1,208.47 km
Speed
7.248 km/s
Apparent Right ascension
14h 05m 50s
Apparent Declination
3° 39' 21"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
03:25:27
Azimuth
27.558° NE
Elevation
-42.749°
Doppler factor
1
Orbital elements
Apogee altitude
1,201.232 km
Perigee altitude
1,178.879 km
Semi-major axis
7,568.193 km
Eccentricity
0.0014768
Inclination
74.0539°
RAAN
29.2572°
Arg. of periapsis
316.6845°
True anomaly
43.42443°
Mean anomaly
43.3082°
Eccentric anomaly
43.3663°
Mean motion
3.29651 °/min
BSTAR
0.00054077
Orbital period
109.21 mins
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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.
8 mins2025-04-19 21:52:09.563Z275.119° WNW2025-04-19 21:56:09.563Z309.48° NW15.82°2025-04-19 22:00:09.563Z344.104° N
4 mins2025-04-20 03:44:09.563Z32.635° NE2025-04-20 03:46:09.563Z49.683° ENE12.725°2025-04-20 03:48:09.563Z66.303° ENE
12 mins2025-04-20 05:33:09.563Z349.751° N2025-04-20 05:39:09.563Z85.318° E42.047°2025-04-20 05:45:09.563Z148.497° SSE
9 mins2025-04-20 07:25:09.563Z307.183° NW2025-04-20 07:29:09.563Z269.936° W21.014°2025-04-20 07:34:09.563Z222.899° SW
5 mins2025-04-20 17:52:09.563Z105.854° ESE2025-04-20 17:54:09.563Z88.356° E13.548°2025-04-20 17:57:09.563Z63.411° ENE
13 mins2025-04-20 19:38:09.563Z195.442° SSW2025-04-20 19:44:09.563Z145.51° SSE44.954°2025-04-20 19:51:09.563Z19.673° NNE
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