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

Last TLE update

8 hours ago

Origin

S7 Space (Unknown / SEAL)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, 11D58M

Mass

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

Launch date (UTC)

2004-01-11 (21 years ago)

Launch vehicle

Unknown

Launch site

Sea Launch (SEAL)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 6.3 m

Radar Cross Section

23.684 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 BLOCK DM-SL R/B
1 28138U 04001B   25183.91630974 -.00000056  00000-0  72228-3 0  9991
2 28138   0.3755  40.7259 7142486 185.8497  46.1997  2.24731319176355

Epoch: 2025-07-02T21:59Z

TLE epoch observation values (Epoch: 2025-07-02T21:59:29.161Z)

Latitude

-0.2659°

Longitude

108.93858°

Altitude

17,292.034 km

Speed

4.182 km/s

True Right ascension

00h 00m 00s

True Declination

0° 15' 56"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

0.28594°

Longitude

-165.97913°

Altitude

21,056.024 km

Speed

3.587 km/s

Apparent Right ascension

05h 37m 06s

Apparent Declination

-6° 56' 29"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:19:05

Azimuth

351.814° N

Elevation

-56.778°

Doppler factor

Orbital elements

Apogee altitude

35,836.094 km

Perigee altitude

658.634 km

Semi-major axis

24,625.501 km

Eccentricity

0.71425

Inclination

0.3755°

RAAN

40.7259°

Arg. of periapsis

185.8497°

True anomaly

Unknown

Mean anomaly

46.1997°

Eccentric anomaly

Unknown

Mean motion

0.56165 °/min

Orbital period

640.97 mins

BSTAR

0.00072228

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

ESTRELA DU SOL-TELSTAR14, 28137

BLOCK DM-SL R/B Visibility forecast

Observer location: undefined°, undefined°

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.
578 mins	2025-07-03 07:38:33.190Z	164.098° S	2025-07-03 15:16:33.190Z	143.77° SSE	30.208°	2025-07-03 17:16:33.190Z	124.483° SE

Authenticating...

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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.