SL-8 R/B, 18945

Orbit data source: Space-Track

SL-8 R/B, 18945 is space debris in LEO originally from a launch on Fri, 11 Mar 1988 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). 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/18945?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18945, 1988-016J

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Omsk Av. Zav.

Mission

Spacecraft

Bus & Motor

S3, Unknown motor

Mass

1,434 kg wet, 1,434 kg dry

Launch date (UTC)

1988-03-11 (38 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.3 m

Radar Cross Section

14.646 m², Large (>1 m²)

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

TLE from 21 hours ago

0 SL-8 R/B
1 18945U 88016J   25348.71666275  .00000067  00000-0  72770-3 0  9991
2 18945  74.0091 343.1520 0140186 359.6912 173.6204 12.24051824687343

Epoch: 2025-12-14T17:11Z

TLE epoch observation values (Epoch: 2025-12-14T17:11:59.661Z)

Latitude

6.19482°

Longitude

179.75383°

Altitude

1,687.536 km

Speed

6.983 km/s

True Right ascension

10h 45m 30s

True Declination

6° 09' 44"

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

13:18:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,684.27 km

Perigee altitude

1,461.347 km

Semi-major axis

7,950.945 km

Eccentricity

0.01402

Inclination

74.0091°

RAAN

343.152°

Arg. of periapsis

359.6912°

True anomaly

173.79584°

Mean anomaly

173.6204°

Eccentric anomaly

173.70842°

Mean motion

3.06136 °/min

Orbital period

117.59 mins

BSTAR

0.0007277

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Other satellites on launch #16 in the year 1988 (1988-03-11 UTC)

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SL-8 R/B 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.
15 mins	2025-12-15 23:43:12.705Z	156.949° SSE	2025-12-15 23:50:12.705Z	101.91° ESE	29.905°	2025-12-15 23:58:12.705Z	35.61° NE
15 mins	2025-12-16 01:43:12.705Z	225.121° WSW	2025-12-16 01:50:12.705Z	293.158° NW	37.695°	2025-12-16 01:58:12.705Z	8.923° NNE
17 mins	2025-12-16 10:02:12.705Z	353.459° N	2025-12-16 10:10:12.705Z	65.81° ENE	36.494°	2025-12-16 10:19:12.705Z	134.899° SE
15 mins	2025-12-16 12:03:12.705Z	322.578° NNW	2025-12-16 12:10:12.705Z	259.393° W	34.192°	2025-12-16 12:18:12.705Z	197.656° 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-8 R/B, 18945 on other resources

View SL-8 R/B, 18945 on Heavens-Above

View SL-8 R/B, 18945 on Keep Track

View SL-8 R/B, 18945 on Celestrak

View SL-8 R/B, 18945 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-8 R/B, 18945

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: 2025-12-14T17:11:59.661Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #16 in the year 1988 (1988-03-11 UTC)

SL-8 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 R/B, 18945 on other resources

Documentation

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