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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https://www.satcat.com/sats-embedded/21785?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21785, 1991-077G

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

S5M, Unknown motor

Mass

1,600 kg wet, 1,600 kg dry

Launch date (UTC)

1991-11-12 (34 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.4 m

Radar Cross Section

7.351 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 SL-14 R/B
1 21785U 91077G   25330.48876367  .00000015  00000-0  27631-4 0  9998
2 21785  82.5946 133.4724 0039181 121.8450 292.8257 12.55089240559332

Epoch: 2025-11-26T11:43Z

TLE epoch observation values (Epoch: 2025-11-26T11:43:49.181Z)

Latitude

53.68914°

Longitude

-98.00523°

Altitude

1,440.228 km

Speed

7.152 km/s

True Right ascension

09h 34m 26s

True Declination

53° 32' 21"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

14:50:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,471.245 km

Perigee altitude

1,409.976 km

Semi-major axis

7,818.747 km

Eccentricity

0.00392

Inclination

82.5946°

RAAN

133.4724°

Arg. of periapsis

121.845°

True anomaly

292.41109°

Mean anomaly

292.8257°

Eccentric anomaly

292.61848°

Mean motion

3.13933 °/min

Orbital period

114.67 mins

BSTAR

0.000027631

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

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SL-14 R/B 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.
13 mins	2025-11-26 21:36:49.183Z	12.071° NNE	2025-11-26 21:43:49.183Z	71.446° E	26.674°	2025-11-26 21:49:49.183Z	124.411° SE
14 mins	2025-11-26 23:32:49.183Z	341.655° N	2025-11-26 23:39:49.183Z	267.616° W	39.472°	2025-11-26 23:46:49.183Z	196.887° SSW
13 mins	2025-11-27 10:30:49.183Z	138.101° SSE	2025-11-27 10:36:49.183Z	84.593° E	28.111°	2025-11-27 10:43:49.183Z	26.619° NE
14 mins	2025-11-27 12:25:49.183Z	213.478° SW	2025-11-27 12:31:49.183Z	277.123° WNW	38.122°	2025-11-27 12:39:49.183Z	357.446° N

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

View SL-14 R/B, 21785 on Heavens-Above

View SL-14 R/B, 21785 on Keep Track

View SL-14 R/B, 21785 on Celestrak

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

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SL-14 R/B, 21785

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2025-11-26T11:43:49.181Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SL-14 R/B Visibility forecast

Co-orbital & Co-planar RSOs

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

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago