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: 7 hours ago

TLE from 7 hours ago

0 SL-16 DEB
1 18416U 87027C   26040.70115460  .00000120  00000-0  14417-3 0  9993
2 18416  71.0362 148.3666 0189361 277.3117 200.1276 13.77535269954139

Epoch: 2026-02-09T16:49Z

TLE epoch observation values (Epoch: 2026-02-09T16:49:39.757Z)

Latitude

57.75875°

Longitude

-96.66222°

Altitude

1,112.833 km

Speed

7.236 km/s

True Right ascension

19h 42m 10s

True Declination

57° 36' 39"

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

02:15:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,109.755 km

Perigee altitude

831.443 km

Semi-major axis

7,348.736 km

Eccentricity

0.01894

Inclination

71.0362°

RAAN

148.3666°

Arg. of periapsis

277.3117°

True anomaly

199.39717°

Mean anomaly

200.1276°

Eccentric anomaly

199.76078°

Mean motion

3.44528 °/min

Orbital period

104.49 mins

BSTAR

0.00014417

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

SL-16 DEB, 18417

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.
12 mins	2026-02-10 08:02:13.844Z	184.226° SSW	2026-02-10 08:08:13.844Z	99.506° ESE	40.826°	2026-02-10 08:14:13.844Z	31.032° NE
9 mins	2026-02-10 09:51:13.844Z	259.6° W	2026-02-10 09:55:13.844Z	303.975° NW	24.148°	2026-02-10 10:00:13.844Z	357.719° N
11 mins	2026-02-10 17:13:13.844Z	357.06° N	2026-02-10 17:18:13.844Z	57.819° ENE	31.709°	2026-02-10 17:24:13.844Z	123.721° SE
11 mins	2026-02-10 19:00:13.844Z	317.184° NNW	2026-02-10 19:05:13.844Z	255.434° W	32.831°	2026-02-10 19:11:13.844Z	189.935° 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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-02-09T16:49:39.757Z)

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: 7 hours ago