SL-8 DEB, 3749

Orbit data source: Space-Track

SL-8 DEB, 3749 is space debris in LEO originally from a launch on Mon, 15 Mar 1965 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). 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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<iframe src="https://www.satcat.com/sats-embedded/3749?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/3749?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3749, 1965-020EU

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1965-03-15 (61 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 SL-8 DEB
1  3749U 65020EU  25336.71168499  .00004707  00000-0  16172-2 0  9997
2  3749  56.1076 124.8003 0452751  98.5653 266.6880 13.92382682773285

Epoch: 2025-12-02T17:04Z

TLE epoch observation values (Epoch: 2025-12-02T17:04:49.583Z)

Latitude

-0°

Longitude

156.80079°

Altitude

955.359 km

Speed

7.358 km/s

True Right ascension

08h 19m 12s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

03:36:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,250.522 km

Perigee altitude

589.666 km

Semi-major axis

7,298.231 km

Eccentricity

0.04528

Inclination

56.1076°

RAAN

124.8003°

Arg. of periapsis

98.5653°

True anomaly

261.53237°

Mean anomaly

266.688°

Eccentric anomaly

264.10763°

Mean motion

3.4811 °/min

Orbital period

103.42 mins

BSTAR

0.0016172

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Other satellites on launch #20 in the year 1965 (1965-03-15 UTC)

SL-8 DEB, 5983 (Decayed)

SL-8 DEB, 1544 (Decayed)

SL-8 DEB, 1342 (Decayed)

SL-8 DEB, 1480

SL-8 DEB *, 3931

SL-8 DEB *, 3745

SL-8 DEB, 2339 (Decayed)

SL-8 DEB, 2334

SL-8 DEB *, 6252

SL-8 DEB, 1565 (Decayed)

SL-8 DEB, 1492 (Decayed)

SL-8 DEB *, 3743

SL-8 DEB, 1410 (Decayed)

SL-8 DEB, 1495 (Decayed)

SL-8 DEB, 1402 (Decayed)

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SL-8 DEB 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.
9 mins	2025-12-03 12:10:17.400Z	212.755° SW	2025-12-03 12:15:17.400Z	147.039° SSE	42.092°	2025-12-03 12:19:17.400Z	52.551° ENE
6 mins	2025-12-03 14:00:17.400Z	283.464° WNW	2025-12-03 14:03:17.400Z	331.682° NNW	21.896°	2025-12-03 14:06:17.400Z	19.39° NNE
6 mins	2025-12-03 19:27:17.400Z	332.798° NNW	2025-12-03 19:29:17.400Z	25.444° NE	39.142°	2025-12-03 19:33:17.400Z	117.696° SE
4 mins	2025-12-03 21:15:17.400Z	258.285° W	2025-12-03 21:16:17.400Z	241.571° WSW	18.105°	2025-12-03 21:19:17.400Z	197.483° SSW

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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 SL-8 DEB, 3749 on other resources

View SL-8 DEB, 3749 on Heavens-Above

View SL-8 DEB, 3749 on Keep Track

View SL-8 DEB, 3749 on Celestrak

View SL-8 DEB, 3749 on Gunter's Space Page

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

SL-8 DEB, 3749

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-02T17:04:49.583Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #20 in the year 1965 (1965-03-15 UTC)

SL-8 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 DEB, 3749 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago