SL-14 R/B, 20741

Orbit data source: Space-Track

SL-14 R/B, 20741 is space debris in LEO originally from a launch on Wed, 08 Aug 1990 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/20741?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20741, 1990-070G

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)

1990-08-08 (36 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: 14 hours ago

TLE from 14 hours ago

0 SL-14 R/B
1 20741U 90070G   26126.33200657  .00000017  00000-0  36623-4 0  9995
2 20741  82.5735  96.6416 0036317 149.3636   6.5710 12.55717580638276

Epoch: 2026-05-06T07:58Z

TLE epoch observation values (Epoch: 2026-05-06T07:58:05.367Z)

Latitude

23.82469°

Longitude

-70.35807°

Altitude

1,415.184 km

Speed

7.168 km/s

True Right ascension

18h 13m 25s

True Declination

23° 42' 31"

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

06:12:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,466.387 km

Perigee altitude

1,409.615 km

Semi-major axis

7,816.138 km

Eccentricity

0.00363

Inclination

82.5735°

RAAN

96.6416°

Arg. of periapsis

149.3636°

True anomaly

6.61884°

Mean anomaly

6.571°

Eccentric anomaly

6.5949°

Mean motion

3.14091 °/min

Orbital period

114.62 mins

BSTAR

0.000036623

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Other satellites on launch #70 in the year 1990 (1990-08-08 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.
16 mins	2026-05-06 22:31:03.120Z	178.278° S	2026-05-06 22:39:03.120Z	102.593° ESE	44.321°	2026-05-06 22:47:03.120Z	10.752° NNE
10 mins	2026-05-07 00:31:03.120Z	255.954° W	2026-05-07 00:36:03.120Z	297.907° NW	20.294°	2026-05-07 00:41:03.120Z	337.435° NNW
12 mins	2026-05-07 08:38:03.120Z	18.787° NNE	2026-05-07 08:43:03.120Z	66.014° ENE	28.128°	2026-05-07 08:50:03.120Z	129.454° SE
14 mins	2026-05-07 10:33:03.120Z	338.368° N	2026-05-07 10:39:03.120Z	276.137° WNW	37.982°	2026-05-07 10:47:03.120Z	198.179° SSW
13 mins	2026-05-07 21:30:03.120Z	139.941° SSE	2026-05-07 21:36:03.120Z	83.96° E	29.657°	2026-05-07 21:43:03.120Z	25.549° NE

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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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Check out SL-14 R/B, 20741 on other resources

View SL-14 R/B, 20741 on Heavens-Above

View SL-14 R/B, 20741 on Keep Track

View SL-14 R/B, 20741 on Celestrak

View SL-14 R/B, 20741 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, 20741

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-05-06T07:58:05.367Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #70 in the year 1990 (1990-08-08 UTC)

SL-14 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-14 R/B, 20741 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago