BLOCK DM-SL R/B, 28138

Orbit data source: Space-Track

BLOCK DM-SL R/B, 28138 is space debris in HEO originally from a launch on Sun, 11 Jan 2004 UTC launched from the Sea Launch (SEAL). 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/28138?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

28138, 2004-001B

Orbit

HEO

Country

Unknown / SEAL

Related business

S7 Space (RU)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, 11D58M

Mass

~3,210 kg wet, 3,210 kg dry

Launch date (UTC)

2004-01-11 (22 years ago)

Launch vehicle

Unknown

Launch site

Sea Launch (SEAL)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.1 m

Radar Cross Section

23.684 m², Large (>1 m²)

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Last TLE update: 17 hours ago

TLE from 17 hours ago

0 BLOCK DM-SL R/B
1 28138U 04001B   26040.90660480 -.00000219  00000-0 -72080-4 0  9997
2 28138   0.8753  24.1451 7151926 284.5960   6.6830  2.24743061181359

Epoch: 2026-02-09T21:45Z

TLE epoch observation values (Epoch: 2026-02-09T21:45:30.654Z)

Latitude

-0.38353°

Longitude

-106.37272°

Altitude

1,904.452 km

Speed

8.947 km/s

True Right ascension

23h 59m 59s

True Declination

0° 22' 54"

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

16:47:16

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,857.904 km

Perigee altitude

635.15 km

Semi-major axis

24,624.664 km

Eccentricity

0.71519

Inclination

0.8753°

RAAN

24.1451°

Arg. of periapsis

284.596°

True anomaly

51.2095°

Mean anomaly

6.683°

Eccentric anomaly

22.09922°

Mean motion

0.56168 °/min

Orbital period

640.94 mins

BSTAR

-0.00007208

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Other satellites on launch #1 in the year 2004 (2004-01-11 UTC)

ESTRELA DU SOL-TELSTAR14, 28137

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BLOCK DM-SL R/B 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.
189 mins	2026-02-11 07:02:01.736Z	248.101° W	2026-02-11 08:13:01.736Z	246.709° WSW	15.586°	2026-02-11 10:11:01.736Z	254.66° W

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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 BLOCK DM-SL R/B, 28138 on other resources

View BLOCK DM-SL R/B, 28138 on Heavens-Above

View BLOCK DM-SL R/B, 28138 on Keep Track

View BLOCK DM-SL R/B, 28138 on Celestrak

View BLOCK DM-SL R/B, 28138 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

BLOCK DM-SL R/B, 28138

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-02-09T21:45:30.654Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #1 in the year 2004 (2004-01-11 UTC)

BLOCK DM-SL R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out BLOCK DM-SL R/B, 28138 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago