**SL-8 DEB *, 3743**

Orbit data source: Space-Track

SL-8 DEB *, 3743 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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https://www.satcat.com/sats-embedded/3743?theme=dark&initialShowStats=false

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Identifier

3743, 1965-020ES

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: 20 hours ago

TLE from 20 hours ago

0 SL-8 DEB *
1 03743U 65020ES  26126.83916637 -.00000122  00000-0 -30653-3 0  9997
2 03743  56.6642   6.6631 0260358  10.0746  61.5818 12.20721122569102

Epoch: 2026-05-06T20:08Z

TLE epoch observation values (Epoch: 2026-05-06T20:08:23.974Z)

Latitude

53.6781°

Longitude

-97.21405°

Altitude

1,502.075 km

Speed

7.161 km/s

True Right ascension

04h 38m 19s

True Declination

53° 31' 46"

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

00:15:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,796.582 km

Perigee altitude

1,381.712 km

Semi-major axis

7,967.284 km

Eccentricity

0.02604

Inclination

56.6642°

RAAN

6.6631°

Arg. of periapsis

10.0746°

True anomaly

64.24606°

Mean anomaly

61.5818°

Eccentric anomaly

62.90988°

Mean motion

3.05195 °/min

Orbital period

117.96 mins

BSTAR

-0.00030653

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

SL-8 DEB, 1550 (Decayed)

SL-8 DEB, 1336 (Decayed)

SL-8 DEB, 2203 (Decayed)

SL-8 DEB, 1496 (Decayed)

SL-8 DEB, 1439 (Decayed)

SL-8 DEB, 1486 (Decayed)

SL-8 DEB, 1544 (Decayed)

SL-8 DEB, 1494 (Decayed)

SL-8 DEB, 1593 (Decayed)

SL-8 DEB, 1342 (Decayed)

SL-8 DEB, 1489 (Decayed)

SL-8 DEB, 1418 (Decayed)

SL-8 DEB, 1402 (Decayed)

SL-8 DEB, 2339 (Decayed)

SL-8 DEB, 1568 (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.
16 mins	2026-05-07 17:28:23.259Z	196.866° SSW	2026-05-07 17:36:23.259Z	115.614° SE	38.287°	2026-05-07 17:44:23.259Z	51.612° ENE
15 mins	2026-05-07 19:32:23.259Z	256.182° W	2026-05-07 19:39:23.259Z	329.276° NNW	37.367°	2026-05-07 19:47:23.259Z	39.517° NE
13 mins	2026-05-07 21:39:23.259Z	307.902° NW	2026-05-07 21:44:23.259Z	350.326° N	25.153°	2026-05-07 21:52:23.259Z	50.136° ENE
15 mins	2026-05-07 23:44:23.259Z	325.315° NNW	2026-05-07 23:51:23.259Z	28.729° NE	31.087°	2026-05-07 23:59:23.259Z	86.718° E
18 mins	2026-05-08 01:47:23.259Z	315.801° NNW	2026-05-08 01:55:23.259Z	6.354° NNE	44.984°	2026-05-08 02:05:23.259Z	137.476° SSE
14 mins	2026-05-08 03:51:23.259Z	290.952° WNW	2026-05-08 03:58:23.259Z	240.656° WSW	24.117°	2026-05-08 04:05:23.259Z	195.387° 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 *, 3743 on other resources

View SL-8 DEB *, 3743 on Heavens-Above

View SL-8 DEB *, 3743 on Keep Track

View SL-8 DEB *, 3743 on Celestrak

View SL-8 DEB *, 3743 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 *, 3743

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-05-06T20:08:23.974Z)

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 *, 3743 on other resources

Documentation

**SL-8 DEB *, 3743**

Expand to show TLE details & history
Last TLE update: 20 hours ago