SL-12 R/B(2), 37140

Orbit data source: Space-Track

SL-12 R/B(2), 37140 is space debris in MEO originally from a launch on Thu, 02 Sep 2010 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/37140?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/37140?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

37140, 2010-041D

Orbit

MEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, 11D58M

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

2010-09-02 (16 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.5 m

Radar Cross Section

26.008 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 37140U 10041D   26169.85512949  .00000057  00000-0  00000+0 0  9999
2 37140  63.9150 189.4306 0041539 194.7662 342.3496  2.13453955123081

Epoch: 2026-06-18T20:31Z

TLE epoch observation values (Epoch: 2026-06-18T20:31:23.187Z)

Latitude

2.70774°

Longitude

153.16815°

Altitude

19,001.26 km

Speed

3.971 km/s

True Right ascension

00h 32m 25s

True Declination

2° 42' 11"

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

23:20:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

19,207.333 km

Perigee altitude

18,995.653 km

Semi-major axis

25,479.63 km

Eccentricity

0.00415

Inclination

63.915°

RAAN

189.4306°

Arg. of periapsis

194.7662°

True anomaly

342.20455°

Mean anomaly

342.3496°

Eccentric anomaly

342.27715°

Mean motion

0.53365 °/min

Orbital period

674.6 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #41 in the year 2010 (2010-09-02 UTC)

SL-12 DEB, 45493 (Decayed)

SL-12 DEB, 45496

SL-12 DEB, 37145 (Decayed)

COSMOS 2465 (GLONASS), 37138

SL-12 DEB, 44556

SL-12 DEB, 44554

SL-12 DEB, 44558

SL-12 DEB, 45495 (Decayed)

SL-12 DEB, 42976

SL-12 PLAT, 37141 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

SL-12 R/B(2) Visibility forecast

Loading observer location...
Set Observer location

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.
186 mins	2026-06-22 12:17:47.298Z	322.572° NNW	2026-06-22 13:12:47.298Z	268.542° W	43.583°	2026-06-22 15:23:47.298Z	194.909° SSW
96 mins	2026-06-22 21:12:47.298Z	71.725° E	2026-06-22 22:01:47.298Z	47.826° ENE	15.705°	2026-06-22 22:48:47.298Z	26.192° NE
213 mins	2026-06-23 08:44:47.298Z	298.41° NW	2026-06-23 11:36:47.298Z	75.539° E	44.933°	2026-06-23 12:17:47.298Z	159.812° S

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out SL-12 R/B(2), 37140 on other resources

View SL-12 R/B(2), 37140 on Heavens-Above

View SL-12 R/B(2), 37140 on Keep Track

View SL-12 R/B(2), 37140 on Celestrak

View SL-12 R/B(2), 37140 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), 37140

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: 2026-06-18T20:31:23.187Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #41 in the year 2010 (2010-09-02 UTC)

SL-12 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 37140 on other resources

Documentation

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