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 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 (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: 3 days ago

TLE from 3 days ago

0 SL-8 DEB
1  1590U 65073G   26030.24096788  .00000095  00000-0  11813-2 0  9991
2  1590  56.0863 107.5780 0177516 210.5151 183.5715 12.49810922741094

Epoch: 2026-01-30T05:46Z

TLE epoch observation values (Epoch: 2026-01-30T05:46:59.624Z)

Latitude

27.68612°

Longitude

-88.09983°

Altitude

1,605.847 km

Speed

7.007 km/s

True Right ascension

08h 32m 31s

True Declination

27° 33' 36"

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

04:21:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,604.335 km

Perigee altitude

1,325.875 km

Semi-major axis

7,843.242 km

Eccentricity

0.01775

Inclination

56.0863°

RAAN

107.578°

Arg. of periapsis

210.5151°

True anomaly

183.44753°

Mean anomaly

183.5715°

Eccentric anomaly

183.50924°

Mean motion

3.12464 °/min

Orbital period

115.21 mins

BSTAR

0.0011813

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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	2026-02-02 04:43:10.043Z	155.758° SSE	2026-02-02 04:49:10.043Z	115.746° SE	19.413°	2026-02-02 04:55:10.043Z	74.251° E
18 mins	2026-02-02 06:40:10.043Z	215.548° SW	2026-02-02 06:49:10.043Z	100.906° ESE	44.339°	2026-02-02 06:58:10.043Z	47.229° ENE
16 mins	2026-02-02 08:42:10.043Z	267.996° W	2026-02-02 08:50:10.043Z	334.99° NNW	33.776°	2026-02-02 08:58:10.043Z	40.793° NE
13 mins	2026-02-02 10:47:10.043Z	312.163° NW	2026-02-02 10:53:10.043Z	0.845° NNE	25.885°	2026-02-02 11:00:10.043Z	55.744° ENE
15 mins	2026-02-02 12:49:10.043Z	323.103° NNW	2026-02-02 12:56:10.043Z	29.232° NE	34.974°	2026-02-02 13:04:10.043Z	98.601° ESE
16 mins	2026-02-02 14:49:10.043Z	309.997° NW	2026-02-02 14:57:10.043Z	226.751° WSW	42.824°	2026-02-02 15:05:10.043Z	151.019° SSE
6 mins	2026-02-02 16:53:10.043Z	268.746° W	2026-02-02 16:56:10.043Z	246.769° WSW	13.588°	2026-02-02 16:59:10.043Z	224.974° SW

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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: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-01-30T05:46:59.624Z)

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: 3 days ago