SL-16 DEB, 20629

Orbit data source: Space-Track

SL-16 DEB, 20629 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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https://www.satcat.com/sats-embedded/20629?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20629, 1990-046F

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

SEP MOTOR COVER, Unknown motor

Mass

~0 kg wet, ~1 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

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 17 hours ago

TLE from 17 hours ago

0 SL-16 DEB
1 20629U 90046F   25348.89305666  .00000072  00000-0  10591-3 0  9991
2 20629  71.0207 163.2495 0199622 326.4095 144.3299 13.74120507782465

Epoch: 2025-12-14T21:26Z

TLE epoch observation values (Epoch: 2025-12-14T21:26:00.095Z)

Latitude

61.32544°

Longitude

-100.78016°

Altitude

1,115.151 km

Speed

7.241 km/s

True Right ascension

20h 18m 04s

True Declination

61° 11' 14"

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

13:25:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,129.717 km

Perigee altitude

835.837 km

Semi-major axis

7,360.914 km

Eccentricity

0.01996

Inclination

71.0207°

RAAN

163.2495°

Arg. of periapsis

326.4095°

True anomaly

145.63714°

Mean anomaly

144.3299°

Eccentric anomaly

144.98615°

Mean motion

3.43673 °/min

Orbital period

104.75 mins

BSTAR

0.00010591

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

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SL-16 DEB 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.
12 mins	2025-12-15 21:54:03.277Z	355° N	2025-12-15 22:00:03.277Z	66.398° ENE	31.459°	2025-12-15 22:06:03.277Z	124.142° SE
11 mins	2025-12-15 23:42:03.277Z	316.77° NNW	2025-12-15 23:47:03.277Z	251.943° W	34.191°	2025-12-15 23:53:03.277Z	188.893° SSW
4 mins	2025-12-16 11:29:03.277Z	111.417° ESE	2025-12-16 11:30:03.277Z	100.387° ESE	14.679°	2025-12-16 11:33:03.277Z	68.972° E
11 mins	2025-12-16 13:12:03.277Z	210.084° SW	2025-12-16 13:17:03.277Z	321.614° NNW	43.798°	2025-12-16 13:23:03.277Z	20.093° 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 DEB, 20629 on other resources

View SL-16 DEB, 20629 on Heavens-Above

View SL-16 DEB, 20629 on Keep Track

View SL-16 DEB, 20629 on Celestrak

View SL-16 DEB, 20629 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 DEB, 20629

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2025-12-14T21:26:00.095Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SL-16 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-16 DEB, 20629 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago