SL-6 R/B(2), 11550 (Decayed)
Orbit data source: Space-Track
SL-6 R/B(2), 11550 was space debris originally from a launch on Tue, 28 Aug 1979 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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11550 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO Energiya
Mission
Decayed spacecraft
Bus & Motor
BLOK-L, Unknown motor
Mass
~900 kg wet, ~1,000 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 year ago
TLE from 1 year ago
0 SL-6 R/B(2)
1 11550U 79077D 25093.99323019 -.00000571 36124-5 00000+0 0 9991
2 11550 61.8520 332.8510 4563597 60.9240 17.1257 6.67977231332186Epoch: 2025-04-03T23:50Z
TLE epoch observation values (Epoch: 2025-04-03T23:50:15.088Z)
Latitude
56.72138°
Longitude
-91.42921°
Altitude
847.693 km
Speed
8.779 km/s
True Right ascension
06h 34m 46s
True Declination
56° 33' 55"
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
23:08:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
10,965.141 km
Perigee altitude
95.885 km
Semi-major axis
11,908.65 km
Eccentricity
0.45636
Inclination
61.852°
RAAN
332.851°
Arg. of periapsis
60.924°
True anomaly
47.84499°
Mean anomaly
17.1257°
Eccentric anomaly
30.32942°
Mean motion
1.67013 °/min
Orbital period
215.55 mins
BSTAR
0
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Other satellites on launch #77 in the year 1979 (1979-08-28 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-6 R/B(2) Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 18 mins | 2026-06-23 11:47:18.092Z | 217.066° SW | 2026-06-23 12:02:18.092Z | 328.61° NNW | 44.281° | 2026-06-23 12:05:18.092Z | 29.714° NE |
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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