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

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 SL-16 DEB
1 20629U 90046F   26165.74372353  .00000075  00000-0  10816-3 0  9993
2 20629  71.0205 166.7098 0196509  67.7092 104.2418 13.74162555807446

Epoch: 2026-06-14T17:50Z

TLE epoch observation values (Epoch: 2026-06-14T17:50:57.712Z)

Latitude

5.48805°

Longitude

174.0454°

Altitude

1,024.729 km

Speed

7.321 km/s

True Right ascension

22h 59m 18s

True Declination

5° 27' 24"

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

12:54:15

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,127.272 km

Perigee altitude

837.981 km

Semi-major axis

7,360.764 km

Eccentricity

0.01965

Inclination

71.0205°

RAAN

166.7098°

Arg. of periapsis

67.7092°

True anomaly

106.41079°

Mean anomaly

104.2418°

Eccentric anomaly

105.32766°

Mean motion

3.43684 °/min

Orbital period

104.75 mins

BSTAR

0.00010816

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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.
4 mins	2026-06-15 09:18:10.306Z	26.978° NE	2026-06-15 09:20:10.306Z	47.791° ENE	12.207°	2026-06-15 09:22:10.306Z	68.027° E
10 mins	2026-06-15 11:04:10.306Z	343.383° N	2026-06-15 11:08:10.306Z	62.209° ENE	43.928°	2026-06-15 11:14:10.306Z	151.319° SSE
5 mins	2026-06-15 12:53:10.306Z	278.82° WNW	2026-06-15 12:55:10.306Z	256.571° W	14.895°	2026-06-15 12:58:10.306Z	227.595° WSW
8 mins	2026-06-16 00:36:10.306Z	159.31° S	2026-06-16 00:39:10.306Z	113.998° SE	30.331°	2026-06-16 00:44:10.306Z	42.302° 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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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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-06-14T17:50:57.712Z)

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: 9 hours ago