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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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: 1 day ago

TLE from 1 day ago

0 SL-8 DEB
1 03749U 65020EU  26110.08314432  .00001767  00000-0  64746-3 0  9992
2 03749  56.1124   2.9347 0444625 338.4230  19.8510 13.93384143792569

Epoch: 2026-04-20T01:59Z

TLE epoch observation values (Epoch: 2026-04-20T01:59:43.669Z)

Latitude

0.00004°

Longitude

124.8244°

Altitude

614.633 km

Speed

7.708 km/s

True Right ascension

00h 11m 44s

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

17:15:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,240.938 km

Perigee altitude

592.254 km

Semi-major axis

7,294.733 km

Eccentricity

0.04446

Inclination

56.1124°

RAAN

2.9347°

Arg. of periapsis

338.423°

True anomaly

21.67604°

Mean anomaly

19.851°

Eccentric anomaly

20.75372°

Mean motion

3.48361 °/min

Orbital period

103.34 mins

BSTAR

0.00064746

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SL-8 DEB, 1550 (Decayed)

SL-8 DEB, 4016 (Decayed)

SL-8 DEB, 1532 (Decayed)

SL-8 DEB, 1560 (Decayed)

SL-8 DEB, 1340 (Decayed)

SL-8 DEB, 1410 (Decayed)

SL-8 DEB, 3964 (Decayed)

SL-8 DEB, 3963 (Decayed)

SL-8 DEB, 1436 (Decayed)

SL-8 DEB, 1592 (Decayed)

SL-8 DEB, 1536 (Decayed)

SL-8 DEB, 1553 (Decayed)

SL-8 DEB, 1635 (Decayed)

SL-8 DEB, 1347 (Decayed)

SL-8 DEB *, 3965

Did you know?

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

Click here to try in Sandbox

SL-8 DEB Visibility forecast

Loading observer location...
Set Observer location

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.
7 mins	2026-04-21 17:43:53.281Z	165.413° S	2026-04-21 17:46:53.281Z	122.668° SE	21.138°	2026-04-21 17:50:53.281Z	71.66° E
9 mins	2026-04-21 19:30:53.281Z	247.667° W	2026-04-21 19:33:53.281Z	315.98° NNW	40.874°	2026-04-21 19:39:53.281Z	40.526° NE
7 mins	2026-04-21 21:19:53.281Z	307.566° NW	2026-04-21 21:22:53.281Z	346.348° N	20.729°	2026-04-21 21:26:53.281Z	28.935° NE
7 mins	2026-04-21 23:09:53.281Z	339.529° N	2026-04-21 23:12:53.281Z	13.071° NNE	18.979°	2026-04-21 23:16:53.281Z	50.12° ENE
12 mins	2026-04-22 00:56:53.281Z	329.948° NNW	2026-04-22 01:01:53.281Z	29.826° NE	32.21°	2026-04-22 01:08:53.281Z	98.188° ESE
13 mins	2026-04-22 02:44:53.281Z	308.116° NW	2026-04-22 02:49:53.281Z	244.465° WSW	43.158°	2026-04-22 02:57:53.281Z	148.003° SSE
7 mins	2026-04-22 04:33:53.281Z	271.059° WNW	2026-04-22 04:36:53.281Z	245.899° WSW	15.54°	2026-04-22 04:40:53.281Z	213.652° SW

Items per page:

1–7 of 7 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-04-20T01:59:43.669Z)

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: 1 day ago