BLOCK DM-SL R/B, 28365

Orbit data source: Space-Track

BLOCK DM-SL R/B, 28365 is space debris in HEO originally from a launch on Tue, 29 Jun 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/28365?theme=dark&initialShowStats=false

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Identifier

28365, 2004-024B

Orbit

HEO

Country

US / 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)

2004-06-29 (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)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 BLOCK DM-SL R/B
1 28365U 04024B   26127.93477455 -.00000072  00000-0 -22935-3 0  9991
2 28365   0.1625 322.9267 5969933 222.6352 345.1036  3.73389739298224

Epoch: 2026-05-07T22:26Z

TLE epoch observation values (Epoch: 2026-05-07T22:26:04.521Z)

Latitude

0.05552°

Longitude

-79.69418°

Altitude

2,507.859 km

Speed

8.185 km/s

True Right ascension

08h 10m 23s

True Declination

0° 03' 19"

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

14:26:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

21,657.938 km

Perigee altitude

696.862 km

Semi-major axis

17,555.537 km

Eccentricity

0.59699

Inclination

0.1625°

RAAN

322.9267°

Arg. of periapsis

222.6352°

True anomaly

297.27582°

Mean anomaly

345.1036°

Eccentric anomaly

325.95308°

Mean motion

0.93309 °/min

Orbital period

385.82 mins

BSTAR

-0.00022935

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Other satellites on launch #24 in the year 2004 (2004-06-29 UTC)

APSTAR 5 (TELSTAR 18), 28364

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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.
302 mins	2026-05-08 12:01:30.134Z	215.998° SW	2026-05-08 13:36:30.134Z	152.097° SSE	29.657°	2026-05-08 17:03:30.134Z	122.111° SE
9 mins	2026-05-08 23:51:30.134Z	224.656° SW	2026-05-08 23:56:30.134Z	216.602° SW	10.471°	2026-05-09 00:00:30.134Z	207.929° SW

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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, 28365 on other resources

View BLOCK DM-SL R/B, 28365 on Heavens-Above

View BLOCK DM-SL R/B, 28365 on Keep Track

View BLOCK DM-SL R/B, 28365 on Celestrak

View BLOCK DM-SL R/B, 28365 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, 28365

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-05-07T22:26:04.521Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #24 in the year 2004 (2004-06-29 UTC)

BLOCK DM-SL R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out BLOCK DM-SL R/B, 28365 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago