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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Iframe URL

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 (39 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.2 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 18416U 87027C   25304.55527380  .00000060  00000-0  90276-4 0  9997
2 18416  71.0367 347.6627 0184779  62.0870  92.7246 13.77492832940201

Epoch: 2025-10-31T13:19Z

TLE epoch observation values (Epoch: 2025-10-31T13:19:35.656Z)

Latitude

21.77915°

Longitude

-80.18371°

Altitude

983.868 km

Speed

7.357 km/s

True Right ascension

10h 39m 15s

True Declination

21° 39' 52"

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

16:52:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,106.542 km

Perigee altitude

834.958 km

Semi-major axis

7,348.887 km

Eccentricity

0.01848

Inclination

71.0367°

RAAN

347.6627°

Arg. of periapsis

62.087°

True anomaly

94.83682°

Mean anomaly

92.7246°

Eccentric anomaly

93.781°

Mean motion

3.44517 °/min

Orbital period

104.49 mins

BSTAR

0.000090276

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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.
10 mins	2025-11-01 04:23:07.981Z	200.287° SSW	2025-11-01 04:28:07.981Z	176.521° S	44.86°	2025-11-01 04:33:07.981Z	23.714° NE
4 mins	2025-11-01 06:14:07.981Z	290.402° WNW	2025-11-01 06:16:07.981Z	313.55° NW	13.688°	2025-11-01 06:18:07.981Z	336.218° NNW
9 mins	2025-11-01 13:33:07.981Z	354.978° N	2025-11-01 13:37:07.981Z	65.146° ENE	37.327°	2025-11-01 13:42:07.981Z	134.25° SE
8 mins	2025-11-01 15:20:07.981Z	301.342° NW	2025-11-01 15:24:07.981Z	250.689° W	22.393°	2025-11-01 15:28:07.981Z	208.982° SW

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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-10-31T13:19:35.656Z)

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: 8 hours ago