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

Unknown / 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 (19 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: 10 hours ago

TLE from 10 hours ago

0 BLOCK DM-SL R/B
1 29521U 06049B   25340.87629469 -.00000099  00000-0  00000-0 0  9992
2 29521   0.2298  57.1178 6931773 340.3850  13.0260  2.18866708152736

Epoch: 2025-12-06T21:01Z

TLE epoch observation values (Epoch: 2025-12-06T21:01:51.861Z)

Latitude

0.21407°

Longitude

81.61805°

Altitude

4,692.16 km

Speed

7.49 km/s

True Right ascension

07h 31m 55s

True Declination

0° 12' 48"

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

05:08:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,057.699 km

Perigee altitude

1,311.712 km

Semi-major axis

25,062.842 km

Eccentricity

0.69318

Inclination

0.2298°

RAAN

57.1178°

Arg. of periapsis

340.385°

True anomaly

76.07335°

Mean anomaly

13.026°

Eccentric anomaly

36.83797°

Mean motion

0.54701 °/min

Orbital period

658.12 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.
16 mins	2025-12-07 07:55:41.953Z	158.714° S	2025-12-07 08:01:41.953Z	143.611° SSE	11.028°	2025-12-07 08:11:41.953Z	128.896° SE
410 mins	2025-12-07 10:49:41.953Z	107.501° ESE	2025-12-07 15:47:41.953Z	132.699° SE	26.46°	2025-12-07 17:39:41.953Z	120.525° SE

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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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2025-12-06T21:01:51.861Z)

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: 10 hours ago