SL-8 DEB, 1591

Orbit data source: Space-Track

SL-8 DEB, 1591 is space debris in LEO originally from a launch on Sat, 18 Sep 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/1591?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1591, 1965-073H

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1965-09-18 (60 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: 2 days ago

TLE from 2 days ago

0 SL-8 DEB
1 01591U 65073H   26031.47021169  .00000246  00000-0  23365-2 0  9992
2 01591  56.0551 153.1529 0159770 146.5703 288.7885 12.43002668731729

Epoch: 2026-01-31T11:17Z

TLE epoch observation values (Epoch: 2026-01-31T11:17:06.290Z)

Latitude

52.86767°

Longitude

-84.61514°

Altitude

1,462.095 km

Speed

7.155 km/s

True Right ascension

14h 21m 25s

True Declination

52° 43' 01"

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

04:19:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,619.493 km

Perigee altitude

1,367.956 km

Semi-major axis

7,871.861 km

Eccentricity

0.01598

Inclination

56.0551°

RAAN

153.1529°

Arg. of periapsis

146.5703°

True anomaly

287.04428°

Mean anomaly

288.7885°

Eccentric anomaly

287.91748°

Mean motion

3.10761 °/min

Orbital period

115.84 mins

BSTAR

0.0023365

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Other satellites on launch #73 in the year 1965 (1965-09-18 UTC)

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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.
15 mins	2026-02-02 09:19:57.514Z	196.898° SSW	2026-02-02 09:26:57.514Z	131.583° SE	39.436°	2026-02-02 09:34:57.514Z	53.732° ENE
15 mins	2026-02-02 11:20:57.514Z	255.042° W	2026-02-02 11:27:57.514Z	316.394° NNW	37.805°	2026-02-02 11:35:57.514Z	39.091° NE
12 mins	2026-02-02 13:25:57.514Z	304.52° NW	2026-02-02 13:31:57.514Z	356.641° N	25.105°	2026-02-02 13:37:57.514Z	45.843° ENE
13 mins	2026-02-02 15:28:57.514Z	323.302° NNW	2026-02-02 15:34:57.514Z	16.817° NNE	29.613°	2026-02-02 15:41:57.514Z	81.579° E
15 mins	2026-02-02 17:29:57.514Z	314.929° NW	2026-02-02 17:36:57.514Z	334.544° NNW	44.784°	2026-02-02 17:44:57.514Z	135.423° SSE
10 mins	2026-02-02 19:32:57.514Z	281.453° WNW	2026-02-02 19:36:57.514Z	247.592° W	21.095°	2026-02-02 19:42:57.514Z	198.523° 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, 1591 on other resources

View SL-8 DEB, 1591 on Heavens-Above

View SL-8 DEB, 1591 on Keep Track

View SL-8 DEB, 1591 on Celestrak

View SL-8 DEB, 1591 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, 1591

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-01-31T11:17:06.290Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #73 in the year 1965 (1965-09-18 UTC)

SL-8 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 DEB, 1591 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago