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: 1 day ago

TLE from 1 day ago

0 SL-16 DEB
1 18417U 87027D   25341.02751382  .00000184  00000-0  20652-3 0  9999
2 18417  70.9997   0.6817 0202166 191.3599 195.6468 13.74617181941114

Epoch: 2025-12-07T00:39Z

TLE epoch observation values (Epoch: 2025-12-07T00:39:37.194Z)

Latitude

24.89267°

Longitude

-76.12302°

Altitude

1,129.04 km

Speed

7.219 km/s

True Right ascension

00h 39m 18s

True Declination

24° 46' 05"

Sunlit

Object was in partial 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

23:26:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,129.781 km

Perigee altitude

832.228 km

Semi-major axis

7,359.142 km

Eccentricity

0.02022

Inclination

70.9997°

RAAN

0.6817°

Arg. of periapsis

191.3599°

True anomaly

195.03685°

Mean anomaly

195.6468°

Eccentric anomaly

195.34036°

Mean motion

3.43797 °/min

Orbital period

104.71 mins

BSTAR

0.00020652

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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.
13 mins	2025-12-08 02:49:26.520Z	203.074° SW	2025-12-08 02:56:26.520Z	292.498° WNW	44.925°	2025-12-08 03:02:26.520Z	21.981° NNE
7 mins	2025-12-08 04:41:26.520Z	281.167° WNW	2025-12-08 04:44:26.520Z	310.292° NW	17.166°	2025-12-08 04:48:26.520Z	348.797° N
10 mins	2025-12-08 12:02:26.520Z	347.487° N	2025-12-08 12:07:26.520Z	67.017° ENE	39.545°	2025-12-08 12:12:26.520Z	139.526° SSE
6 mins	2025-12-08 13:51:26.520Z	291.503° WNW	2025-12-08 13:53:26.520Z	267.337° W	18.462°	2025-12-08 13:57:26.520Z	220.01° SW

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-07T00:39:37.194Z)

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: 1 day ago