SL-12 R/B(2), 19754

Orbit data source: Space-Track

SL-12 R/B(2), 19754 is space debris in MEO originally from a launch on Tue, 10 Jan 1989 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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https://www.satcat.com/sats-embedded/19754?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

19754, 1989-001F

Orbit

MEO

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)

1989-01-10 (37 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)

Expand to show TLE details & history
Last TLE update: 4 days ago

TLE from 4 days ago

0 SL-12 R/B(2)
1 19754U 89001F   25254.81381160  .00000025  00000-0  00000-0 0  9997
2 19754  64.8027  80.3575 0015134 234.6511 130.8423  2.13420992285760

Epoch: 2025-09-11T19:31Z

TLE epoch observation values (Epoch: 2025-09-11T19:31:53.322Z)

Latitude

5.05105°

Longitude

158.68962°

Altitude

19,129.722 km

Speed

3.951 km/s

True Right ascension

05h 30m 55s

True Declination

5° 02' 34"

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

04:06:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

19,142.65 km

Perigee altitude

19,065.52 km

Semi-major axis

25,482.222 km

Eccentricity

0.00151

Inclination

64.8027°

RAAN

80.3575°

Arg. of periapsis

234.6511°

True anomaly

130.97333°

Mean anomaly

130.8423°

Eccentric anomaly

130.90783°

Mean motion

0.53356 °/min

Orbital period

674.71 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #1 in the year 1989 (1989-01-10 UTC)

COSMOS 1987 (GLONASS), 19749

COSMOS 1988 (GLONASS), 19750

COSMOS 1989 (ETALON 1), 19751

SL-12 R/B(1), 19752 (Decayed)

SL-12 DEB, 19753

SL-12 R/B(AUX MOTOR), 19755

SL-12 R/B(AUX MOTOR), 19856

SL-12 DEB, 25797 (Decayed)

SL-12 DEB, 25798

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 26046 (Decayed)

SL-12 DEB, 26047 (Decayed)

SL-12 DEB, 26813 (Decayed)

SL-12 DEB, 26814 (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.
317 mins	2025-09-15 12:26:38.713Z	188.763° SSW	2025-09-15 14:47:38.713Z	289.409° WNW	44.775°	2025-09-15 17:43:38.713Z	64.165° ENE
88 mins	2025-09-16 03:36:38.713Z	334.493° NNW	2025-09-16 04:19:38.713Z	314.339° NW	14.978°	2025-09-16 05:04:38.713Z	292.18° WNW
30 mins	2025-09-16 10:58:38.713Z	166.953° S	2025-09-16 11:28:38.713Z	163.543° S	23.714°	2025-09-16 11:28:38.713Z	163.543° S

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), 19754 on other resources

View SL-12 R/B(2), 19754 on Heavens-Above

View SL-12 R/B(2), 19754 on Keep Track

View SL-12 R/B(2), 19754 on Celestrak

View SL-12 R/B(2), 19754 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), 19754

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 days ago

TLE from 4 days ago

TLE epoch observation values (Epoch: 2025-09-11T19:31:53.322Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #1 in the year 1989 (1989-01-10 UTC)

SL-12 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 19754 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 days ago