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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Iframe URL

https://www.satcat.com/sats-embedded/18417?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18417, 1987-027D

Orbit

LEO

Last TLE update

8 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

SEP MOTOR COVER, Unknown motor

Mass

~0 kg wet, ~1 kg dry

Launch date (UTC)

1987-03-18 (38 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 SL-16 DEB
1 18417U 87027D   25199.64446854 -.00000005  00000-0  33946-4 0  9997
2 18417  70.9989 278.4352 0200717  31.1246  40.4374 13.74567414921680

Epoch: 2025-07-18T15:28Z

TLE epoch observation values (Epoch: 2025-07-18T15:28:02.081Z)

Latitude

64.8724°

Longitude

156.64614°

Altitude

882.672 km

Speed

7.473 km/s

True Right ascension

21h 41m 23s

True Declination

64° 44' 32"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-13.75693°

Longitude

-66.07503°

Altitude

1,129.979 km

Speed

7.217 km/s

Apparent Right ascension

04h 17m 53s

Apparent Declination

-37° 21' 38"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:50:17

Azimuth

250.054° W

Elevation

-38.945°

Doppler factor

Orbital elements

Apogee altitude

1,128.897 km

Perigee altitude

833.468 km

Semi-major axis

7,359.319 km

Eccentricity

0.02007

Inclination

70.9989°

RAAN

278.4352°

Arg. of periapsis

31.1246°

True anomaly

41.95809°

Mean anomaly

40.4374°

Eccentric anomaly

41.19483°

Mean motion

3.43785 °/min

Orbital period

104.72 mins

BSTAR

0.000033946

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

SL-16 DEB, 43323 (Decayed)

SL-16 DEB Visibility forecast

Observer location: undefined°, undefined°

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.
5 mins	2025-07-19 05:13:45.337Z	129.084° SE	2025-07-19 05:16:45.337Z	95.487° ESE	14.179°	2025-07-19 05:18:45.337Z	72.651° E
9 mins	2025-07-19 06:58:45.337Z	214.918° SW	2025-07-19 07:02:45.337Z	280.492° WNW	42.46°	2025-07-19 07:07:45.337Z	16.51° NNE
4 mins	2025-07-19 14:23:45.337Z	33.558° NE	2025-07-19 14:24:45.337Z	43.627° NE	13.075°	2025-07-19 14:27:45.337Z	72.139° E
11 mins	2025-07-19 16:08:45.337Z	344.272° N	2025-07-19 16:12:45.337Z	33.518° NE	42.932°	2025-07-19 16:19:45.337Z	149.719° SSE
7 mins	2025-07-19 17:56:45.337Z	293.15° NW	2025-07-19 17:59:45.337Z	261.849° W	17.69°	2025-07-19 18:03:45.337Z	223.213° 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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Authenticating...

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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

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