SL-8 DEB, 1590

Orbit data source: Space-Track

SL-8 DEB, 1590 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/1590?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/1590?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1590, 1965-073G

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 (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: 12 hours ago

TLE from 12 hours ago

0 SL-8 DEB
1  1590U 65073G   26123.69462615  .00000245  00000-0  21224-2 0  9993
2  1590  56.0853 215.5152 0172576 337.1199 177.7681 12.49819616752778

Epoch: 2026-05-03T16:40Z

TLE epoch observation values (Epoch: 2026-05-03T16:40:15.699Z)

Latitude

20.5946°

Longitude

-90.70676°

Altitude

1,601.234 km

Speed

7.01 km/s

True Right ascension

01h 23m 48s

True Declination

20° 29' 37"

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

12:10:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,600.424 km

Perigee altitude

1,329.714 km

Semi-major axis

7,843.206 km

Eccentricity

0.01726

Inclination

56.0853°

RAAN

215.5152°

Arg. of periapsis

337.1199°

True anomaly

177.84349°

Mean anomaly

177.7681°

Eccentric anomaly

177.80595°

Mean motion

3.12466 °/min

Orbital period

115.21 mins

BSTAR

0.0021224

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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	2026-05-04 07:17:27.352Z	185.579° SSW	2026-05-04 07:24:27.352Z	127.407° SE	31.977°	2026-05-04 07:32:27.352Z	57.93° ENE
15 mins	2026-05-04 09:18:27.352Z	245.048° WSW	2026-05-04 09:24:27.352Z	308.702° NW	41.577°	2026-05-04 09:33:27.352Z	42.422° NE
13 mins	2026-05-04 11:21:27.352Z	297.398° NW	2026-05-04 11:27:27.352Z	352.211° N	27.085°	2026-05-04 11:34:27.352Z	45.253° ENE
15 mins	2026-05-04 13:23:27.352Z	318.924° NNW	2026-05-04 13:30:27.352Z	17.284° NNE	28.402°	2026-05-04 13:38:27.352Z	76.672° E
17 mins	2026-05-04 15:24:27.352Z	318.258° NNW	2026-05-04 15:32:27.352Z	40.325° NE	43.174°	2026-05-04 15:41:27.352Z	123.224° SE
15 mins	2026-05-04 17:25:27.352Z	297.847° NW	2026-05-04 17:32:27.352Z	240.578° WSW	31.521°	2026-05-04 17:40:27.352Z	178.301° S

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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, 1590 on other resources

View SL-8 DEB, 1590 on Heavens-Above

View SL-8 DEB, 1590 on Keep Track

View SL-8 DEB, 1590 on Celestrak

View SL-8 DEB, 1590 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, 1590

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-05-03T16:40:15.699Z)

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, 1590 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago