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 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 (62 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.050 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 SL-8 DEB
1 03749U 65020EU  26270.10394263  .00000800  00000-0  32517-3 0  9990
2 03749  56.1115 164.8737 0439690 255.2364  99.9512 13.94038724814872

Epoch: 2026-09-27T02:29Z

TLE epoch observation values (Epoch: 2026-09-27T02:29:40.643Z)

Latitude

-0.00001°

Longitude

121.55189°

Altitude

984.568 km

Speed

7.325 km/s

True Right ascension

10h 59m 29s

True Declination

0° 00' 00"

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

05:30:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,234.954 km

Perigee altitude

593.67 km

Semi-major axis

7,292.449 km

Eccentricity

0.04397

Inclination

56.1115°

RAAN

164.8737°

Arg. of periapsis

255.2364°

True anomaly

104.86116°

Mean anomaly

99.9512°

Eccentric anomaly

102.41156°

Mean motion

3.48524 °/min

Orbital period

103.29 mins

BSTAR

0.00032517

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

SL-8 DEB, 1541 (Decayed)

SL-8 DEB, 1556 (Decayed)

SL-8 R/B, 1270 (Decayed)

SL-8 DEB, 1401 (Decayed)

SL-8 DEB, 1437 (Decayed)

SL-8 DEB *, 3745

SL-8 DEB *, 3743

SL-8 DEB, 1352 (Decayed)

SL-8 DEB, 13517

SL-8 DEB, 1345 (Decayed)

SL-8 DEB *, 6252

SL-8 DEB, 1538 (Decayed)

SL-8 DEB, 1392

SL-8 DEB, 1477

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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.
12 mins	2026-09-27 18:05:17.018Z	174.942° S	2026-09-27 18:11:17.018Z	116.88° SE	29.358°	2026-09-27 18:17:17.018Z	64.064° ENE
13 mins	2026-09-27 19:52:17.018Z	233.547° WSW	2026-09-27 19:58:17.018Z	315.888° NNW	74.974°	2026-09-27 20:05:17.018Z	42.337° NE
11 mins	2026-09-27 21:42:17.018Z	288.154° WNW	2026-09-27 21:47:17.018Z	339.44° N	31.006°	2026-09-27 21:53:17.018Z	35.354° NE
10 mins	2026-09-27 23:32:17.018Z	318.136° NNW	2026-09-27 23:37:17.018Z	2.37° NNE	23.549°	2026-09-27 23:42:17.018Z	48.135° ENE
12 mins	2026-09-28 01:21:17.018Z	326.078° NNW	2026-09-28 01:27:17.018Z	28.224° NE	36.789°	2026-09-28 01:33:17.018Z	90.804° ESE
12 mins	2026-09-28 03:09:17.018Z	311.97° NW	2026-09-28 03:15:17.018Z	255.492° W	76.12°	2026-09-28 03:21:17.018Z	144.425° SSE
6 mins	2026-09-28 04:59:17.018Z	272.325° WNW	2026-09-28 05:02:17.018Z	244.317° WSW	15.533°	2026-09-28 05:05:17.018Z	215.801° 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 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: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-09-27T02:29:40.643Z)

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: 10 hours ago