SL-8 R/B, 10355

Orbit data source: Space-Track

SL-8 R/B, 10355 is space debris in LEO originally from a launch on Tue, 13 Sep 1977 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
10355, 1977-087B
Orbit
LEO
Last TLE update
19 hours ago
Origin
Manufacturer
Omsk Av. Zav.
Mission
Spacecraft
Bus & Motor
S3, Unknown motor
Mass
1,434 kg wet, 1,434 kg dry
Launch date (UTC)
1977-09-13 (48 years ago)
Launch vehicle
Unknown
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 6.57 m
Radar Cross Section
14.646 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 19 hours ago
0 SL-8 R/B
1 10355U 77087B   25191.68127753  .00000000  00000-0 -16359-4 0  9999
2 10355  82.9693  31.6795 0034849  97.0678 331.1340 13.76036740400421
Epoch: 2025-07-10T16:21Z
TLE epoch observation values (Epoch: 2025-07-10T16:21:02.378Z)
Latitude
67.04648°
Longitude
-125.58545°
Altitude
967.145 km
Speed
7.386 km/s
True Right ascension
03h 14m 04s
True Declination
66° 55' 34"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-21.32169°
Longitude
-145.74723°
Altitude
997.232 km
Speed
7.347 km/s
Apparent Right ascension
04h 53m 01s
Apparent Declination
-58° 07' 37"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
23:24:53
Azimuth
143.172° SSE
Elevation
-29.26°
Doppler factor
1
Orbital elements
Apogee altitude
1,000.749 km
Perigee altitude
949.499 km
Semi-major axis
7,353.261 km
Eccentricity
0.00348
Inclination
82.9693°
RAAN
31.6795°
Arg. of periapsis
97.0678°
True anomaly
Unknown
Mean anomaly
331.134°
Eccentric anomaly
Unknown
Mean motion
3.4421 °/min
Orbital period
104.59 mins
BSTAR
-0.000016359
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Other satellites on launch #87 in the year 1977 (1977-09-13 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.
9 mins2025-07-11 13:04:54.246Z140.29° SSE2025-07-11 13:09:54.246Z78.312° E25.768°2025-07-11 13:13:54.246Z32.855° NE
9 mins2025-07-11 14:50:54.246Z226.291° WSW2025-07-11 14:54:54.246Z289.537° WNW32.049°2025-07-11 14:59:54.246Z349.804° N
8 mins2025-07-12 00:01:54.246Z27.37° NE2025-07-12 00:05:54.246Z75.745° E21.809°2025-07-12 00:09:54.246Z120.143° SE
10 mins2025-07-12 01:46:54.246Z336.626° NNW2025-07-12 01:50:54.246Z281.717° WNW36.706°2025-07-12 01:56:54.246Z197.324° SSW
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