**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: 1 day ago

TLE from 1 day ago

0 SL-8 DEB *
1 03743U 65020ES  26031.03821557  .00000008  00000-0  80793-3 0  9991
2 03743  56.6592 247.7378 0255186 257.4459 259.7350 12.20698060557409

Epoch: 2026-01-31T00:55Z

TLE epoch observation values (Epoch: 2026-01-31T00:55:01.825Z)

Latitude

21.26046°

Longitude

-91.04643°

Altitude

1,631.551 km

Speed

7.04 km/s

True Right ascension

03h 31m 54s

True Declination

21° 09' 26"

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

12:14:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,792.564 km

Perigee altitude

1,385.931 km

Semi-major axis

7,967.385 km

Eccentricity

0.02552

Inclination

56.6592°

RAAN

247.7378°

Arg. of periapsis

257.4459°

True anomaly

256.87504°

Mean anomaly

259.735°

Eccentric anomaly

258.30325°

Mean motion

3.05189 °/min

Orbital period

117.96 mins

BSTAR

0.00080793

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

SL-8 DEB, 1552 (Decayed)

SL-8 DEB, 1336 (Decayed)

SL-8 DEB, 1569 (Decayed)

SL-8 DEB, 1355 (Decayed)

SL-8 DEB, 1564 (Decayed)

SL-8 DEB, 1353 (Decayed)

SL-8 DEB, 1538 (Decayed)

SL-8 DEB, 1539 (Decayed)

SL-8 DEB, 1554 (Decayed)

SL-8 DEB, 1557 (Decayed)

SL-8 DEB, 1372 (Decayed)

SL-8 DEB, 1488 (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.
19 mins	2026-02-01 15:26:19.590Z	193.005° SSW	2026-02-01 15:35:19.590Z	126.341° SE	37.657°	2026-02-01 15:45:19.590Z	51.977° ENE
19 mins	2026-02-01 17:30:19.590Z	247.704° W	2026-02-01 17:39:19.590Z	330.315° NNW	40.616°	2026-02-01 17:49:19.590Z	42.514° NE
16 mins	2026-02-01 19:37:19.590Z	295.596° NW	2026-02-01 19:45:19.590Z	354.693° N	28.381°	2026-02-01 19:53:19.590Z	48.894° ENE
17 mins	2026-02-01 21:43:19.590Z	318.338° NNW	2026-02-01 21:51:19.590Z	16.008° NNE	31.373°	2026-02-01 22:00:19.590Z	82.994° E
19 mins	2026-02-01 23:47:19.590Z	316.555° NNW	2026-02-01 23:56:19.590Z	16.47° NNE	44.64°	2026-02-02 00:06:19.590Z	132.913° SE
14 mins	2026-02-02 01:52:19.590Z	293.902° NW	2026-02-02 01:59:19.590Z	242.78° WSW	26.373°	2026-02-02 02:06:19.590Z	192.092° 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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-01-31T00:55:01.825Z)

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: 1 day ago