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 (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: 14 hours ago

TLE from 14 hours ago

0 SL-16 DEB
1 18416U 87027C   25350.00011767  .00000156  00000-0  17552-3 0  9996
2 18416  71.0356 258.1203 0187209 356.5646  94.2577 13.77513662946461

Epoch: 2025-12-16T00:00Z

TLE epoch observation values (Epoch: 2025-12-16T00:00:10.166Z)

Latitude

70.90644°

Longitude

-87.76856°

Altitude

997.203 km

Speed

7.353 km/s

True Right ascension

23h 48m 39s

True Declination

70° 48' 12"

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

12:36:21

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,108.252 km

Perigee altitude

833.1 km

Semi-major axis

7,348.813 km

Eccentricity

0.01872

Inclination

71.0356°

RAAN

258.1203°

Arg. of periapsis

356.5646°

True anomaly

96.39283°

Mean anomaly

94.2577°

Eccentric anomaly

95.3257°

Mean motion

3.44522 °/min

Orbital period

104.49 mins

BSTAR

0.00017552

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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.
9 mins	2025-12-16 18:50:59.117Z	173.9° S	2025-12-16 18:54:59.117Z	117.485° SE	35.556°	2025-12-16 18:59:59.117Z	38.071° NE
8 mins	2025-12-16 20:38:59.117Z	258.903° W	2025-12-16 20:42:59.117Z	313.953° NW	23.535°	2025-12-16 20:46:59.117Z	358.943° N
10 mins	2025-12-17 03:59:59.117Z	1.962° NNE	2025-12-17 04:04:59.117Z	64.288° ENE	28.085°	2025-12-17 04:09:59.117Z	115.599° SE
11 mins	2025-12-17 05:46:59.117Z	319.426° NNW	2025-12-17 05:51:59.117Z	245.335° WSW	36.58°	2025-12-17 05:57:59.117Z	183.182° SSW

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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2025-12-16T00:00:10.166Z)

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: 14 hours ago