SL-12 DEB, 39800

Orbit data source: Space-Track

SL-12 DEB, 39800 is space debris in HEO originally from a launch on Thu, 25 Sep 2008 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/39800?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/39800?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

39800, 2008-046M

Orbit

HEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

2008-09-25 (18 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.6 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 3 days ago

TLE from 3 days ago

0 SL-12 DEB
1 39800U 08046M   26170.80280936 -.00000044  00000-0  17721-3 0  9990
2 39800  65.2784   0.2352 5673317 250.5890  42.1111  4.24155467186640

Epoch: 2026-06-19T19:16Z

TLE epoch observation values (Epoch: 2026-06-19T19:16:02.728Z)

Latitude

0.00001°

Longitude

163.19153°

Altitude

7,099.752 km

Speed

5.868 km/s

True Right ascension

00h 00m 55s

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

02:17:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

18,886.612 km

Perigee altitude

596.3 km

Semi-major axis

16,119.593 km

Eccentricity

0.56733

Inclination

65.2784°

RAAN

0.2352°

Arg. of periapsis

250.589°

True anomaly

109.47869°

Mean anomaly

42.1111°

Eccentric anomaly

73.23522°

Mean motion

1.0605 °/min

Orbital period

339.46 mins

BSTAR

0.00017721

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #46 in the year 2008 (2008-09-25 UTC)

SL-12 DEB, 39801

SL-12 R/B(AUX MOTOR), 33385

SL-12 DEB, 40245

COSMOS 2442 (GLONASS), 33378

COSMOS 2443 (GLONASS), 33379

SL-12 R/B(AUX MOTOR), 33384

SL-12 DEB, 39802 (Decayed)

COSMOS 2444 (GLONASS), 33380

SL-12 DEB, 39797 (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 DEB 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.
258 mins	2026-06-22 15:14:29.577Z	228.846° WSW	2026-06-22 16:41:29.577Z	305.981° NW	41.82°	2026-06-22 19:32:29.577Z	77.641° E
161 mins	2026-06-22 22:48:29.577Z	323.868° NNW	2026-06-23 01:06:29.577Z	272.613° WNW	39.678°	2026-06-23 01:29:29.577Z	198.086° SSW
145 mins	2026-06-23 08:49:29.577Z	73.703° E	2026-06-23 09:58:29.577Z	45.355° ENE	20.255°	2026-06-23 11:14:29.577Z	24.456° NE
91 mins	2026-06-23 13:43:29.577Z	202.002° SSW	2026-06-23 14:56:29.577Z	288.428° WNW	44.683°	2026-06-23 15:14:29.577Z	332.026° NNW

Items per page:

1–4 of 4 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 DEB, 39800 on other resources

View SL-12 DEB, 39800 on Heavens-Above

View SL-12 DEB, 39800 on Keep Track

View SL-12 DEB, 39800 on Celestrak

View SL-12 DEB, 39800 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 DEB, 39800

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-06-19T19:16:02.728Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #46 in the year 2008 (2008-09-25 UTC)

SL-12 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-12 DEB, 39800 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago