SL-16 DEB, 18416

Orbit data source: Space-Track

SL-16 DEB, 18416 is space debris in LEO originally from a launch on Wed, 18 Mar 1987 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/18416?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18416, 1987-027C

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)

1987-03-18 (40 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CONE, 0.2 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 SL-16 DEB
1 18416U 87027C   26310.52208400  .00000092  00000-0  11973-3 0  9992
2 18416  71.0364 336.6741 0189341 250.7244 183.1053 13.77588935991290

Epoch: 2026-11-06T12:31Z

TLE epoch observation values (Epoch: 2026-11-06T12:31:48.057Z)

Latitude

65.29924°

Longitude

150.99249°

Altitude

1,122.183 km

Speed

7.228 km/s

True Right ascension

01h 38m 43s

True Declination

65° 10' 29"

Sunlit

Object was in full shadow 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

18:14:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,109.546 km

Perigee altitude

831.27 km

Semi-major axis

7,348.545 km

Eccentricity

0.01893

Inclination

71.0364°

RAAN

336.6741°

Arg. of periapsis

250.7244°

True anomaly

182.99048°

Mean anomaly

183.1053°

Eccentric anomaly

183.04762°

Mean motion

3.44541 °/min

Orbital period

104.49 mins

BSTAR

0.00011973

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Other satellites on launch #27 in the year 1987 (1987-03-18 UTC)

SL-16 DEB, 43323 (Decayed)

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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.
11 mins	2026-11-07 02:12:36.991Z	157.117° SSE	2026-11-07 02:17:36.991Z	104.985° ESE	31.072°	2026-11-07 02:23:36.991Z	43.527° NE
11 mins	2026-11-07 03:59:36.991Z	231.393° WSW	2026-11-07 04:04:36.991Z	301.36° NW	48.941°	2026-11-07 04:10:36.991Z	11.213° NNE
8 mins	2026-11-07 11:23:36.991Z	12.409° NNE	2026-11-07 11:26:36.991Z	42.973° NE	20.63°	2026-11-07 11:31:36.991Z	94.095° ESE
11 mins	2026-11-07 13:09:36.991Z	333.41° NNW	2026-11-07 13:14:36.991Z	278.228° WNW	76.76°	2026-11-07 13:20:36.991Z	164.985° S

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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, 18416 on other resources

View SL-16 DEB, 18416 on Heavens-Above

View SL-16 DEB, 18416 on Keep Track

View SL-16 DEB, 18416 on Celestrak

View SL-16 DEB, 18416 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, 18416

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-11-06T12:31:48.057Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #27 in the year 1987 (1987-03-18 UTC)

SL-16 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-16 DEB, 18416 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago