SL-8 DEB, 1618

Orbit data source: Space-Track

SL-8 DEB, 1618 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/1618?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/1618?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1618, 1965-073K

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, 0.2 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 4 hours ago

TLE from 4 hours ago

0 SL-8 DEB
1  1618U 65073K   26119.86162093  .00000013  00000-0  79657-3 0  9992
2  1618  56.1759 274.0408 0225374 197.5567 329.6101 12.30400910717163

Epoch: 2026-04-29T20:40Z

TLE epoch observation values (Epoch: 2026-04-29T20:40:44.048Z)

Latitude

11.72563°

Longitude

-81.91348°

Altitude

1,394.844 km

Speed

7.233 km/s

True Right ascension

05h 44m 20s

True Declination

11° 39' 47"

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

08:35:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,725.988 km

Perigee altitude

1,368.748 km

Semi-major axis

7,925.505 km

Eccentricity

0.02254

Inclination

56.1759°

RAAN

274.0408°

Arg. of periapsis

197.5567°

True anomaly

328.27123°

Mean anomaly

329.6101°

Eccentric anomaly

328.94395°

Mean motion

3.07612 °/min

Orbital period

117.03 mins

BSTAR

0.00079657

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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.
18 mins	2026-04-30 11:26:57.081Z	189.597° SSW	2026-04-30 11:35:57.081Z	126.475° SE	35.245°	2026-04-30 11:44:57.081Z	55.878° ENE
18 mins	2026-04-30 13:29:57.081Z	243.364° WSW	2026-04-30 13:38:57.081Z	332.845° NNW	41.769°	2026-04-30 13:47:57.081Z	42.667° NE
15 mins	2026-04-30 15:35:57.081Z	292.997° NW	2026-04-30 15:42:57.081Z	347.1° N	28.142°	2026-04-30 15:50:57.081Z	47.323° ENE
15 mins	2026-04-30 17:40:57.081Z	317.875° NNW	2026-04-30 17:47:57.081Z	11.604° NNE	29.046°	2026-04-30 17:55:57.081Z	77.261° E
16 mins	2026-04-30 19:43:57.081Z	317.017° NNW	2026-04-30 19:51:57.081Z	25.103° NE	43.866°	2026-04-30 19:59:57.081Z	126.348° SE
12 mins	2026-04-30 21:47:57.081Z	292.085° WNW	2026-04-30 21:53:57.081Z	240.361° WSW	27.021°	2026-04-30 21:59:57.081Z	189.147° 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, 1618 on other resources

View SL-8 DEB, 1618 on Heavens-Above

View SL-8 DEB, 1618 on Keep Track

View SL-8 DEB, 1618 on Celestrak

View SL-8 DEB, 1618 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, 1618

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 hours ago

TLE from 4 hours ago

TLE epoch observation values (Epoch: 2026-04-29T20:40:44.048Z)

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, 1618 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 hours ago