SL-16 DEB, 18527

Orbit data source: Space-Track

SL-16 DEB, 18527 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/18527?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18527, 1987-027E

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: 6 hours ago

TLE from 6 hours ago

0 SL-16 DEB
1 18527U 87027E   25301.58942464  .00000229  00000-0  24509-3 0  9996
2 18527  70.9999  19.4540 0196576 239.3482 118.8113 13.75740288937340

Epoch: 2025-10-28T14:08Z

TLE epoch observation values (Epoch: 2025-10-28T14:08:46.288Z)

Latitude

-0.0001°

Longitude

130.08635°

Altitude

1,053.249 km

Speed

7.29 km/s

True Right ascension

01h 17m 48s

True Declination

0° 00' 00"

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

15:48:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,121.581 km

Perigee altitude

832.412 km

Semi-major axis

7,355.134 km

Eccentricity

0.01966

Inclination

70.9999°

RAAN

19.454°

Arg. of periapsis

239.3482°

True anomaly

120.76156°

Mean anomaly

118.8113°

Eccentric anomaly

119.78877°

Mean motion

3.44078 °/min

Orbital period

104.63 mins

BSTAR

0.00024509

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

COSMOS 1833, 17589

SL-16 DEB, 18417

SL-16 DEB, 43323 (Decayed)

SL-16 DEB, 18550

SL-16 R/B, 17590

SL-16 DEB, 18416

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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	2025-10-29 05:57:09.708Z	171.836° S	2025-10-29 06:03:09.708Z	101.794° ESE	34.995°	2025-10-29 06:09:09.708Z	37.112° NE
11 mins	2025-10-29 07:45:09.708Z	243.576° WSW	2025-10-29 07:50:09.708Z	301.337° NW	30.771°	2025-10-29 07:56:09.708Z	6.327° NNE
9 mins	2025-10-29 15:09:09.708Z	3.663° NNE	2025-10-29 15:13:09.708Z	47.918° ENE	24.861°	2025-10-29 15:18:09.708Z	106.351° ESE
10 mins	2025-10-29 16:56:09.708Z	323.539° NNW	2025-10-29 17:01:09.708Z	246.789° WSW	38.67°	2025-10-29 17:06:09.708Z	180.744° SSW

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, 18527 on other resources

View SL-16 DEB, 18527 on Heavens-Above

View SL-16 DEB, 18527 on Keep Track

View SL-16 DEB, 18527 on Celestrak

View SL-16 DEB, 18527 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, 18527

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2025-10-28T14:08:46.288Z)

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, 18527 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago