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 (35 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: 7 hours ago

TLE from 7 hours ago

0 SL-14 R/B
1 20741U 90070G   26036.69034030  .00000029  00000-0  11323-3 0  9996
2 20741  82.5803 153.1608 0035522 353.3395 130.7849 12.55716589627022

Epoch: 2026-02-05T16:34Z

TLE epoch observation values (Epoch: 2026-02-05T16:34:05.401Z)

Latitude

54.96575°

Longitude

-61.8522°

Altitude

1,467.908 km

Speed

7.126 km/s

True Right ascension

21h 30m 02s

True Declination

54° 49' 07"

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

01:17:16

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,465.769 km

Perigee altitude

1,410.24 km

Semi-major axis

7,816.142 km

Eccentricity

0.00355

Inclination

82.5803°

RAAN

153.1608°

Arg. of periapsis

353.3395°

True anomaly

131.09221°

Mean anomaly

130.7849°

Eccentric anomaly

130.93865°

Mean motion

3.1409 °/min

Orbital period

114.62 mins

BSTAR

0.00011323

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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.
14 mins	2026-02-06 07:18:17.760Z	145.741° SSE	2026-02-06 07:25:17.760Z	82.539° E	30.468°	2026-02-06 07:32:17.760Z	24.337° NE
14 mins	2026-02-06 09:14:17.760Z	218.831° SW	2026-02-06 09:20:17.760Z	281.946° WNW	35.764°	2026-02-06 09:28:17.760Z	356.236° N
7 mins	2026-02-06 17:25:17.760Z	40.036° NE	2026-02-06 17:28:17.760Z	62.874° ENE	14.498°	2026-02-06 17:32:17.760Z	91.671° ESE
15 mins	2026-02-06 19:18:17.760Z	356.592° N	2026-02-06 19:25:17.760Z	93.658° ESE	44.293°	2026-02-06 19:33:17.760Z	167.938° S
10 mins	2026-02-06 21:15:17.760Z	316.226° NNW	2026-02-06 21:19:17.760Z	284.486° WNW	19.573°	2026-02-06 21:25:17.760Z	238.221° WSW

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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, 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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-02-05T16:34:05.401Z)

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: 7 hours ago