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 src="https://www.satcat.com/sats-embedded/1591?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/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)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 SL-8 DEB
1 01591U 65073H   25346.21842785 -.00000125  00000-0 -21248-3 0  9994
2 01591  56.0564 287.0630 0158566  80.4711  63.2438 12.42991123725477

Epoch: 2025-12-12T05:14Z

TLE epoch observation values (Epoch: 2025-12-12T05:14:32.166Z)

Latitude

28.21168°

Longitude

-73.79126°

Altitude

1,441.011 km

Speed

7.169 km/s

True Right ascension

05h 44m 01s

True Declination

28° 04' 52"

Sunlit

Object was in full shadow 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

05:21:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,618.595 km

Perigee altitude

1,368.951 km

Semi-major axis

7,871.91 km

Eccentricity

0.01586

Inclination

56.0564°

RAAN

287.063°

Arg. of periapsis

80.4711°

True anomaly

64.88066°

Mean anomaly

63.2438°

Eccentric anomaly

64.06079°

Mean motion

3.10758 °/min

Orbital period

115.85 mins

BSTAR

-0.00021248

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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.
12 mins	2025-12-13 08:09:19.514Z	288.846° WNW	2025-12-13 08:15:19.514Z	243.253° WSW	20.377°	2025-12-13 08:21:19.514Z	198.929° SSW
14 mins	2025-12-13 21:07:19.514Z	181.261° SSW	2025-12-13 21:14:19.514Z	116.387° SE	31.011°	2025-12-13 21:21:19.514Z	59.121° ENE
15 mins	2025-12-13 23:07:19.514Z	241.69° WSW	2025-12-13 23:14:19.514Z	312.044° NW	41.906°	2025-12-13 23:22:19.514Z	41.598° NE
12 mins	2025-12-14 01:11:19.514Z	294.098° NW	2025-12-14 01:17:19.514Z	348.206° N	25.927°	2025-12-14 01:23:19.514Z	40.208° NE
12 mins	2025-12-14 03:15:19.514Z	324.1° NNW	2025-12-14 03:21:19.514Z	21° NNE	26.252°	2025-12-14 03:27:19.514Z	70.623° E
15 mins	2025-12-14 05:16:19.514Z	319.363° NNW	2025-12-14 05:23:19.514Z	38.952° NE	42.616°	2025-12-14 05:31:19.514Z	121.508° SE

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-12T05:14:32.166Z)

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: 1 day ago