SL-23 R/B, 37835

Orbit data source: Space-Track

SL-23 R/B, 37835 is space debris in HEO originally from a launch on Wed, 05 Oct 2011 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/37835?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/37835?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

37835, 2011-056B

Orbit

HEO

Country

CIS

Related business

Space International Services (RU)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, 11D58M

Mass

2,540 kg wet, 2,540 kg dry

Launch date (UTC)

2011-10-05 (15 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Nozzle, 3.0 m

Radar Cross Section

22.521 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 SL-23 R/B
1 37835U 11056B   26097.79102401  .00000128  00000-0  00000-0 0  9998
2 37835  19.6372 331.4182 5666108 249.9077  42.5702  1.96796724104284

Epoch: 2026-04-07T18:59Z

TLE epoch observation values (Epoch: 2026-04-07T18:59:04.474Z)

Latitude

0.00006°

Longitude

-149.4259°

Altitude

16,300.98 km

Speed

4.509 km/s

True Right ascension

22h 05m 37s

True Declination

0° 00' 00"

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

03:34:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,764.713 km

Perigee altitude

5,280.314 km

Semi-major axis

26,900.65 km

Eccentricity

0.56661

Inclination

19.6372°

RAAN

331.4182°

Arg. of periapsis

249.9077°

True anomaly

109.91248°

Mean anomaly

42.5702°

Eccentric anomaly

73.73532°

Mean motion

0.49193 °/min

Orbital period

731.82 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #56 in the year 2011 (2011-10-05 UTC)

INTELSAT 18, 37834

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-23 R/B 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.
502 mins	2026-04-08 21:26:16.633Z	245.991° WSW	2026-04-08 22:05:16.633Z	249.595° W	30.936°	2026-04-09 05:48:16.633Z	178.271° S
94 mins	2026-04-09 19:52:16.633Z	247.801° W	2026-04-09 21:26:16.633Z	250.243° W	26.325°	2026-04-09 21:26:16.633Z	250.243° W

Items per page:

1–2 of 2 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-23 R/B, 37835 on other resources

View SL-23 R/B, 37835 on Heavens-Above

View SL-23 R/B, 37835 on Keep Track

View SL-23 R/B, 37835 on Celestrak

View SL-23 R/B, 37835 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-23 R/B, 37835

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-04-07T18:59:04.474Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #56 in the year 2011 (2011-10-05 UTC)

SL-23 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-23 R/B, 37835 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago