SL-16 DEB, 18417

Orbit data source: Space-Track

SL-16 DEB, 18417 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/18417?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18417, 1987-027D

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, 0.1 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 SL-16 DEB
1 18417U 87027D   25349.41453990  .00000089  00000-0  11970-3 0  9991
2 18417  70.9995 344.2034 0201682 179.4516 299.9024 13.74619995942266

Epoch: 2025-12-15T09:56Z

TLE epoch observation values (Epoch: 2025-12-15T09:56:56.247Z)

Latitude

57.25142°

Longitude

-101.52256°

Altitude

920.356 km

Speed

7.433 km/s

True Right ascension

08h 48m 06s

True Declination

57° 05' 54"

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

05:17:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,129.415 km

Perigee altitude

832.574 km

Semi-major axis

7,359.132 km

Eccentricity

0.02017

Inclination

70.9995°

RAAN

344.2034°

Arg. of periapsis

179.4516°

True anomaly

297.8739°

Mean anomaly

299.9024°

Eccentric anomaly

298.89066°

Mean motion

3.43798 °/min

Orbital period

104.71 mins

BSTAR

0.0001197

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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	2025-12-16 10:23:39.324Z	347.961° N	2025-12-16 10:28:39.324Z	55.13° ENE	37.565°	2025-12-16 10:33:39.324Z	135.317° SSE
6 mins	2025-12-16 12:12:39.324Z	296.096° NW	2025-12-16 12:15:39.324Z	257.64° W	19.806°	2025-12-16 12:18:39.324Z	220.468° SW
10 mins	2025-12-16 23:54:39.324Z	152.117° SSE	2025-12-16 23:59:39.324Z	95.638° ESE	26.213°	2025-12-17 00:04:39.324Z	45.999° ENE
11 mins	2025-12-17 01:40:39.324Z	227.336° WSW	2025-12-17 01:45:39.324Z	284.416° WNW	37.249°	2025-12-17 01:51:39.324Z	10.212° NNE

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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, 18417 on other resources

View SL-16 DEB, 18417 on Heavens-Above

View SL-16 DEB, 18417 on Keep Track

View SL-16 DEB, 18417 on Celestrak

View SL-16 DEB, 18417 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, 18417

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2025-12-15T09:56:56.247Z)

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, 18417 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago