SL-12 R/B(2), 21925

Orbit data source: Space-Track

SL-12 R/B(2), 21925 is space debris in GEO originally from a launch on Thu, 02 Apr 1992 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/21925?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

21925, 1992-017D

Orbit

GEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK DM, Unknown motor

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

1992-04-02 (34 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.1 m

Radar Cross Section

23.597 m², Large (>1 m²)

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Last TLE update: 2 days ago

TLE from 2 days ago

0 SL-12 R/B(2)
1 21925U 92017D   26087.30403306 -.00000052  00000-0  00000-0 0  9998
2 21925  13.1257 341.1655 0021192  64.2441 114.0941  1.01091711124492

Epoch: 2026-03-28T07:17Z

TLE epoch observation values (Epoch: 2026-03-28T07:17:48.456Z)

Latitude

0.32093°

Longitude

-135.38562°

Altitude

35,594.68 km

Speed

3.08 km/s

True Right ascension

10h 39m 10s

True Declination

0° 19' 14"

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

03:12:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,648.163 km

Perigee altitude

35,470.416 km

Semi-major axis

41,937.427 km

Eccentricity

0.00212

Inclination

13.1257°

RAAN

341.1655°

Arg. of periapsis

64.2441°

True anomaly

114.31555°

Mean anomaly

114.0941°

Eccentric anomaly

114.20485°

Mean motion

0.25272 °/min

Orbital period

1,424.5 mins

BSTAR

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Other satellites on launch #17 in the year 1992 (1992-04-02 UTC)

SL-12 PLAT, 21924 (Decayed)

SL-12 R/B(1), 21923 (Decayed)

SL-12 R/B(AUX MOTOR), 21926 (Decayed)

GORIZONT 25, 21922

SL-12 R/B(AUX MOTOR), 21927 (Decayed)

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SL-12 R/B(2) 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.
1440 mins	2026-03-29 21:43:44.965Z	224.425° SW	2026-03-30 01:23:44.965Z	226.343° WSW	37.284°	2026-03-30 21:43:44.965Z	220.976° SW

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21925 neighbors

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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-12 R/B(2), 21925 on other resources

View SL-12 R/B(2), 21925 on Heavens-Above

View SL-12 R/B(2), 21925 on Keep Track

View SL-12 R/B(2), 21925 on Celestrak

View SL-12 R/B(2), 21925 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-12 R/B(2), 21925

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: 2026-03-28T07:17:48.456Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #17 in the year 1992 (1992-04-02 UTC)

SL-12 R/B(2) Visibility forecast

21925 neighbors

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 21925 on other resources

Documentation

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