**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: 18 hours ago

TLE from 18 hours ago

0 SL-8 DEB *
1 03743U 65020ES  25286.67644716  .00000041  00000-0  10995-2 0  9995
2 03743  56.6588 162.9354 0261617 129.1867 269.2348 12.20688405544052

Epoch: 2025-10-13T16:14Z

TLE epoch observation values (Epoch: 2025-10-13T16:14:05.034Z)

Latitude

29.03421°

Longitude

-81.75027°

Altitude

1,599.619 km

Speed

7.069 km/s

True Right ascension

12h 16m 59s

True Declination

28° 54' 14"

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

04:40:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,797.731 km

Perigee altitude

1,380.849 km

Semi-major axis

7,967.427 km

Eccentricity

0.02616

Inclination

56.6588°

RAAN

162.9354°

Arg. of periapsis

129.1867°

True anomaly

266.23983°

Mean anomaly

269.2348°

Eccentric anomaly

267.73701°

Mean motion

3.05187 °/min

Orbital period

117.96 mins

BSTAR

0.0010995

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

SL-8 DEB, 1370 (Decayed)

SL-8 DEB, 1337 (Decayed)

SL-8 DEB, 1494 (Decayed)

SL-8 DEB, 1346 (Decayed)

SL-8 DEB, 1418 (Decayed)

SL-8 DEB, 1595 (Decayed)

SL-8 DEB, 1372 (Decayed)

SL-8 DEB, 1373 (Decayed)

SL-8 DEB, 1371 (Decayed)

SL-8 DEB, 1375 (Decayed)

SL-8 DEB, 1356 (Decayed)

SL-8 DEB, 1531 (Decayed)

SL-8 DEB, 1350 (Decayed)

SL-8 DEB, 1354 (Decayed)

SL-8 DEB, 1398 (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	2025-10-14 15:43:56.591Z	143.434° SSE	2025-10-14 15:48:56.591Z	111.511° ESE	15.13°	2025-10-14 15:52:56.591Z	84.51° E
16 mins	2025-10-14 17:42:56.591Z	207.481° SW	2025-10-14 17:50:56.591Z	123.788° SE	43.119°	2025-10-14 17:58:56.591Z	48.874° ENE
15 mins	2025-10-14 19:46:56.591Z	263.565° W	2025-10-14 19:54:56.591Z	335.61° NNW	34.135°	2025-10-14 20:01:56.591Z	37.222° NE
12 mins	2025-10-14 21:54:56.591Z	313.002° NW	2025-10-14 21:59:56.591Z	354.767° N	23.623°	2025-10-14 22:06:56.591Z	51.613° ENE
13 mins	2025-10-14 23:59:56.591Z	327.139° NNW	2025-10-15 00:05:56.591Z	26.254° NE	31.872°	2025-10-15 00:12:56.591Z	91.222° ESE
15 mins	2025-10-15 02:02:56.591Z	311.644° NW	2025-10-15 02:09:56.591Z	218.842° SW	43.885°	2025-10-15 02:17:56.591Z	147.217° SSE
6 mins	2025-10-15 04:08:56.591Z	267.797° W	2025-10-15 04:11:56.591Z	244.28° WSW	14.587°	2025-10-15 04:14:56.591Z	221.806° SW

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: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2025-10-13T16:14:05.034Z)

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: 18 hours ago