SL-16 R/B, 20625

Orbit data source: Space-Track

SL-16 R/B, 20625 is space debris in LEO originally from a launch on Tue, 22 May 1990 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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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Iframe URL

https://www.satcat.com/sats-embedded/20625?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20625, 1990-046B

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

11S772, Unknown motor

Mass

9,000 kg wet, 9,000 kg dry

Launch date (UTC)

1990-05-22 (36 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 5.2 m

Radar Cross Section

37.829 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 5 hours ago

TLE from 5 hours ago

0 SL-16 R/B
1 20625U 90046B   26165.82743390  .00000200  00000-0  12769-3 0  9990
2 20625  70.9997  93.9040 0013510 165.2711 194.8808 14.15025696862133

Epoch: 2026-06-14T19:51Z

TLE epoch observation values (Epoch: 2026-06-14T19:51:30.288Z)

Latitude

-0.00005°

Longitude

-107.0948°

Altitude

854.055 km

Speed

7.421 km/s

True Right ascension

06h 15m 36s

True Declination

0° 00' 00"

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

11:23:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

849.902 km

Perigee altitude

830.398 km

Semi-major axis

7,218.287 km

Eccentricity

0.00135

Inclination

70.9997°

RAAN

93.904°

Arg. of periapsis

165.2711°

True anomaly

194.84111°

Mean anomaly

194.8808°

Eccentric anomaly

194.86095°

Mean motion

3.53909 °/min

Orbital period

101.72 mins

BSTAR

0.00012769

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Other satellites on launch #46 in the year 1990 (1990-05-22 UTC)

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SL-16 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.
6 mins	2026-06-15 04:53:08.639Z	11.507° NNE	2026-06-15 04:56:08.639Z	44.607° NE	16.137°	2026-06-15 04:59:08.639Z	81.186° E
9 mins	2026-06-15 06:37:08.639Z	331.85° NNW	2026-06-15 06:41:08.639Z	263.216° W	43.96°	2026-06-15 06:46:08.639Z	165.872° S
8 mins	2026-06-15 19:44:08.639Z	159.462° S	2026-06-15 19:48:08.639Z	98.043° ESE	29.037°	2026-06-15 19:52:08.639Z	45.371° ENE
8 mins	2026-06-15 21:28:08.639Z	245.979° WSW	2026-06-15 21:32:08.639Z	307.76° NW	28.744°	2026-06-15 21:36:08.639Z	1.254° NNE

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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-16 R/B, 20625 on other resources

View SL-16 R/B, 20625 on Heavens-Above

View SL-16 R/B, 20625 on Keep Track

View SL-16 R/B, 20625 on Celestrak

View SL-16 R/B, 20625 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-16 R/B, 20625

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-06-14T19:51:30.288Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #46 in the year 1990 (1990-05-22 UTC)

SL-16 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-16 R/B, 20625 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago