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: 8 hours ago

TLE from 8 hours ago

0 SL-16 DEB
1 20629U 90046F   26093.95676882  .00000139  00000-0  16722-3 0  9993
2 20629  71.0221 307.4558 0198454 170.7273 296.1344 13.74148169797583

Epoch: 2026-04-03T22:57Z

TLE epoch observation values (Epoch: 2026-04-03T22:57:44.826Z)

Latitude

66.20425°

Longitude

-100.14125°

Altitude

933.617 km

Speed

7.422 km/s

True Right ascension

05h 06m 18s

True Declination

66° 04' 48"

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

13:16:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,128.756 km

Perigee altitude

836.6 km

Semi-major axis

7,360.815 km

Eccentricity

0.01985

Inclination

71.0221°

RAAN

307.4558°

Arg. of periapsis

170.7273°

True anomaly

294.07068°

Mean anomaly

296.1344°

Eccentric anomaly

295.10476°

Mean motion

3.4368 °/min

Orbital period

104.75 mins

BSTAR

0.00016722

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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.
9 mins	2026-04-04 14:17:10.399Z	146.805° SSE	2026-04-04 14:22:10.399Z	94.442° ESE	22.655°	2026-04-04 14:26:10.399Z	53.748° ENE
11 mins	2026-04-04 16:03:10.399Z	221.469° SW	2026-04-04 16:08:10.399Z	284.018° WNW	40.182°	2026-04-04 16:14:10.399Z	13.576° NNE
4 mins	2026-04-04 23:29:10.399Z	25.097° NE	2026-04-04 23:31:10.399Z	47.065° ENE	13.608°	2026-04-04 23:33:10.399Z	69.191° E
9 mins	2026-04-05 01:15:10.399Z	338.299° N	2026-04-05 01:19:10.399Z	37.311° NE	44.936°	2026-04-05 01:24:10.399Z	156.884° SSE

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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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-04-03T22:57:44.826Z)

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: 8 hours ago