SL-14 R/B, 21785

Orbit data source: Space-Track

SL-14 R/B, 21785 is space debris in LEO originally from a launch on Tue, 12 Nov 1991 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	21785, 1991-077G
Orbit	LEO
Last TLE update	5 hours ago
Origin	UNKS RF (CIS)
Manufacturer	Yuzhnoe
Mission	Spacecraft
Bus & Motor	S5M, Unknown motor
Mass	1,600 kg wet, 1,600 kg dry
Launch date (UTC)	1991-11-12 (33 years ago)
Launch vehicle	Unknown
Launch site	Plesetsk Missile And Space Complex (PKMTR)
Object type	Payload Rocket body Debris
Shape & HBR	Cyl, 2.7 m
Radar Cross Section	7.351 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 5 hours ago

0 SL-14 R/B
1 21785U 91077G   25075.63937852  .00000019  00000-0  52380-4 0  9991
2 21785  82.5941 293.5094 0037998 333.8936  80.6024 12.55086751527360

Epoch: 2025-03-16T15:20Z

Definitive object data (Epoch: 2025-03-16T15:20:42.304Z)

Latitude	54.34245°
Longitude	-100.74843°
Altitude	1,447.434 km
Speed	7.145 km/s
True Right ascension	20h 15m 34s
True Declination	54° 11' 38"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-71.07067°
Longitude	90.89513°
Altitude	1,464.957 km
Speed	7.132 km/s
Apparent Right ascension	11h 36m 05s
Apparent Declination	-59° 57' 43"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	00:51:43
Azimuth	155.753° SSE
Elevation	-66.738°
Doppler factor	1

Orbital elements

Apogee altitude	1,470.33 km
Perigee altitude	1,410.911 km
Semi-major axis	7,818.758 km
Eccentricity	0.0037998
Inclination	82.5941°
RAAN	293.5094°
Arg. of periapsis	333.8936°
True anomaly	81.03231°
Mean anomaly	80.6024°
Eccentric anomaly	80.81732°
Mean motion	3.13933 °/min
BSTAR	0.00005238
Orbital period	114.67 mins

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Other satellites on launch #77 in the year 1991 (1991-11-12 UTC)

SL-14 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.
15 mins	2025-03-17 01:13:31.388Z	8.747° NNE	2025-03-17 01:20:31.388Z	66.926° ENE	30.851°	2025-03-17 01:28:31.388Z	136.649° SSE
14 mins	2025-03-17 03:10:31.388Z	335.823° NNW	2025-03-17 03:16:31.388Z	274.855° WNW	36.39°	2025-03-17 03:24:31.388Z	202.098° SSW
13 mins	2025-03-17 14:07:31.388Z	144.155° SSE	2025-03-17 14:13:31.388Z	85.201° E	31.786°	2025-03-17 14:20:31.388Z	24.172° NE
14 mins	2025-03-17 16:02:31.388Z	219.991° SW	2025-03-17 16:08:31.388Z	277.753° WNW	34.602°	2025-03-17 16:16:31.388Z	354.583° N

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Check out SL-14 R/B, 21785 on other resources

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View SL-14 R/B, 21785 on Gunter's Space Page

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