SL-12 R/B(2), 38104

Orbit data source: Space-Track

SL-12 R/B(2), 38104 is space debris in GEO originally from a launch on Fri, 30 Mar 2012 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/38104?theme=dark&initialShowStats=false

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Identifier

38104, 2012-012D

Orbit

GEO

Country

CIS

Related business

Khrunichev State Research and Production Space Center (RU)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, Unknown motor

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

2012-03-30 (15 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 4.0 m

Radar Cross Section

26.008 m², Large (>1 m²)

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Last TLE update: 19 hours ago

TLE from 19 hours ago

0 SL-12 R/B(2)
1 38104U 12012D   26271.88270867 -.00000152  00000-0  00000+0 0  9994
2 38104   9.0740  55.4788 0011146 301.2608 231.3858  1.00386257 53109

Epoch: 2026-09-28T21:11Z

TLE epoch observation values (Epoch: 2026-09-28T21:11:06.029Z)

Latitude

1.1815°

Longitude

-97.34226°

Altitude

35,783.504 km

Speed

3.074 km/s

True Right ascension

15h 12m 21s

True Declination

1° 10' 49"

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

09:58:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,802.529 km

Perigee altitude

35,708.605 km

Semi-major axis

42,133.704 km

Eccentricity

0.00111

Inclination

9.074°

RAAN

55.4788°

Arg. of periapsis

301.2608°

True anomaly

231.28609°

Mean anomaly

231.3858°

Eccentric anomaly

231.33594°

Mean motion

0.25096 °/min

Orbital period

1,434.51 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #12 in the year 2012 (2012-03-30 UTC)

COSMOS 2479, 38101

SL-12 R/B(1), 38102 (Decayed)

SL-12 R/B(AUX MOTOR), 38105 (Decayed)

SL-12 R/B(AUX MOTOR), 38106 (Decayed)

SL-12 PLAT, 38103 (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.
1440 mins	2026-09-29 16:24:59.416Z	164.337° S	2026-09-30 15:28:59.416Z	163.762° S	53.021°	2026-09-30 16:24:59.416Z	163.578° S

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38104 neighbors

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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), 38104 on other resources

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View SL-12 R/B(2), 38104 on Celestrak

View SL-12 R/B(2), 38104 on Gunter's Space Page

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SL-12 R/B(2), 38104

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-09-28T21:11:06.029Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #12 in the year 2012 (2012-03-30 UTC)

SL-12 R/B(2) Visibility forecast

38104 neighbors

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 38104 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago