BLOCK DM-SL R/B, 29521

Orbit data source: Space-Track

BLOCK DM-SL R/B, 29521 is space debris in HEO originally from a launch on Mon, 30 Oct 2006 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/29521?theme=dark&initialShowStats=false

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Identifier

29521, 2006-049B

Orbit

HEO

Country

US / SEAL

Related business

S7 Space (RU)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, 11D58M

Mass

~3,070 kg wet, 3,070 kg dry

Launch date (UTC)

2006-10-30 (20 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 29521U 06049B   26126.13127954 -.00000078  00000-0  00000+0 0  9992
2 29521   0.7198  34.5787 6947641  49.1928 322.4306  2.18871444156012

Epoch: 2026-05-06T03:09Z

TLE epoch observation values (Epoch: 2026-05-06T03:09:02.552Z)

Latitude

-0.66243°

Longitude

49.37465°

Altitude

14,480.615 km

Speed

4.723 km/s

True Right ascension

21h 22m 31s

True Declination

0° 39' 40"

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

18:38:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,096.905 km

Perigee altitude

1,271.841 km

Semi-major axis

25,062.51 km

Eccentricity

0.69476

Inclination

0.7198°

RAAN

34.5787°

Arg. of periapsis

49.1928°

True anomaly

236.81995°

Mean anomaly

322.4306°

Eccentric anomaly

283.76717°

Mean motion

0.54702 °/min

Orbital period

658.11 mins

BSTAR

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Other satellites on launch #49 in the year 2006 (2006-10-30 UTC)

XM-4, 29520

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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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.
249 mins	2026-05-06 10:41:34.306Z	192.409° SSW	2026-05-06 10:41:34.306Z	192.409° SSW	33.949°	2026-05-06 14:50:34.306Z	146.079° SSE
489 mins	2026-05-07 02:32:34.306Z	191.436° SSW	2026-05-07 10:05:34.306Z	158.721° S	32.561°	2026-05-07 10:41:34.306Z	161.151° S

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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, 29521 on other resources

View BLOCK DM-SL R/B, 29521 on Heavens-Above

View BLOCK DM-SL R/B, 29521 on Keep Track

View BLOCK DM-SL R/B, 29521 on Celestrak

View BLOCK DM-SL R/B, 29521 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, 29521

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: 2026-05-06T03:09:02.552Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #49 in the year 2006 (2006-10-30 UTC)

BLOCK DM-SL R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out BLOCK DM-SL R/B, 29521 on other resources

Documentation

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