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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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 (38 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.6 m

Radar Cross Section

23.597 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 SL-12 R/B(2)
1 19754U 89001F   26254.12524590  .00000005  00000-0  00000-0 0  9996
2 19754  65.0229  67.8590 0015530 234.4702 316.3182  2.13421215293530

Epoch: 2026-09-11T03:00Z

TLE epoch observation values (Epoch: 2026-09-11T03:00:21.245Z)

Latitude

-9.69476°

Longitude

-142.83175°

Altitude

19,078.314 km

Speed

3.959 km/s

True Right ascension

16h 49m 38s

True Declination

-9° 40' 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

04:28:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

19,143.634 km

Perigee altitude

19,064.486 km

Semi-major axis

25,482.197 km

Eccentricity

0.00155

Inclination

65.0229°

RAAN

67.859°

Arg. of periapsis

234.4702°

True anomaly

316.19512°

Mean anomaly

316.3182°

Eccentric anomaly

316.25668°

Mean motion

0.53357 °/min

Orbital period

674.71 mins

BSTAR

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

SL-12 DEB, 28260 (Decayed)

SL-12 DEB, 28258 (Decayed)

SL-12 DEB, 28259 (Decayed)

SL-12 DEB, 36883 (Decayed)

SL-12 DEB, 25797 (Decayed)

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

SL-12 DEB, 25799 (Decayed)

SL-12 DEB, 26046 (Decayed)

SL-12 DEB, 28257 (Decayed)

SL-12 DEB, 26814 (Decayed)

SL-12 DEB, 26047 (Decayed)

SL-12 DEB, 38556 (Decayed)

COSMOS 1989 (ETALON 1), 19751

SL-12 DEB, 25798

SL-12 DEB, 43334

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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.
272 mins	2026-09-11 21:27:10.463Z	319.4° NNW	2026-09-11 23:49:10.463Z	268.277° W	72.46°	2026-09-12 01:59:10.463Z	196.227° SSW
106 mins	2026-09-12 07:43:10.463Z	74.375° E	2026-09-12 08:36:10.463Z	48.171° ENE	17.658°	2026-09-12 09:29:10.463Z	23.655° NE

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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), 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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-09-11T03:00:21.245Z)

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: 9 hours ago