SL-8 R/B, 19257

Orbit data source: Space-Track

SL-8 R/B, 19257 is space debris in LEO originally from a launch on Tue, 21 Jun 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/19257?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

19257, 1988-053B

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)

1988-06-21 (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: 2 days ago

TLE from 2 days ago

0 SL-8 R/B
1 19257U 88053B   26171.41243301  .00000133  00000-0  51564-4 0  9995
2 19257  74.0482 283.1120 0019174  77.2470 345.2112 14.38968456991378

Epoch: 2026-06-20T09:53Z

TLE epoch observation values (Epoch: 2026-06-20T09:53:54.212Z)

Latitude

58.54731°

Longitude

-106.29333°

Altitude

758.212 km

Speed

7.488 km/s

True Right ascension

20h 43m 14s

True Declination

58° 23' 38"

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

23:09:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

773.214 km

Perigee altitude

745.843 km

Semi-major axis

7,137.665 km

Eccentricity

0.00192

Inclination

74.0482°

RAAN

283.112°

Arg. of periapsis

77.247°

True anomaly

345.15499°

Mean anomaly

345.2112°

Eccentric anomaly

345.18311°

Mean motion

3.59922 °/min

Orbital period

100.02 mins

BSTAR

0.000051564

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Other satellites on launch #53 in the year 1988 (1988-06-21 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.
6 mins	2026-06-22 17:13:52.984Z	20.315° NNE	2026-06-22 17:16:52.984Z	59.674° ENE	17.408°	2026-06-22 17:19:52.984Z	97.723° ESE
8 mins	2026-06-22 18:55:52.984Z	325.132° NNW	2026-06-22 18:58:52.984Z	263.463° W	39.298°	2026-06-22 19:03:52.984Z	179.389° S
8 mins	2026-06-23 07:48:52.984Z	171.731° S	2026-06-23 07:52:52.984Z	88.801° E	36.454°	2026-06-23 07:56:52.984Z	32.035° NE
5 mins	2026-06-23 09:32:52.984Z	274.057° WNW	2026-06-23 09:34:52.984Z	304.166° NW	18.89°	2026-06-23 09:37:52.984Z	343.542° N

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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, 19257 on other resources

View SL-8 R/B, 19257 on Heavens-Above

View SL-8 R/B, 19257 on Keep Track

View SL-8 R/B, 19257 on Celestrak

View SL-8 R/B, 19257 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, 19257

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T09:53:54.212Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #53 in the year 1988 (1988-06-21 UTC)

SL-8 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 R/B, 19257 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago