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: 6 hours ago

TLE from 6 hours ago

0 SL-8 DEB
1  1618U 65073K   26222.88663374  .00000002  00000-0  71650-3 0  9990
2  1618  56.1780   6.6490 0225131 330.2362 194.6907 12.30416477729844

Epoch: 2026-08-10T21:16Z

TLE epoch observation values (Epoch: 2026-08-10T21:16:45.155Z)

Latitude

12.99474°

Longitude

-100.75396°

Altitude

1,720.657 km

Speed

6.941 km/s

True Right ascension

11h 51m 11s

True Declination

12° 55' 43"

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

17:36:58

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,725.727 km

Perigee altitude

1,368.875 km

Semi-major axis

7,925.438 km

Eccentricity

0.02251

Inclination

56.178°

RAAN

6.649°

Arg. of periapsis

330.2362°

True anomaly

194.05383°

Mean anomaly

194.6907°

Eccentric anomaly

194.37056°

Mean motion

3.07616 °/min

Orbital period

117.03 mins

BSTAR

0.0007165

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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	2026-08-11 10:08:00.116Z	157.116° SSE	2026-08-11 10:14:00.116Z	109.882° ESE	20.701°	2026-08-11 10:20:00.116Z	68.163° E
17 mins	2026-08-11 12:07:00.116Z	221.845° SW	2026-08-11 12:15:00.116Z	58.64° ENE	44.869°	2026-08-11 12:24:00.116Z	45.803° ENE
16 mins	2026-08-11 14:11:00.116Z	276.176° WNW	2026-08-11 14:18:00.116Z	336.195° NNW	31.762°	2026-08-11 14:27:00.116Z	44.259° NE
15 mins	2026-08-11 16:17:00.116Z	314.936° NW	2026-08-11 16:23:00.116Z	2.11° NNE	27.107°	2026-08-11 16:32:00.116Z	65.865° ENE
18 mins	2026-08-11 18:20:00.116Z	320.244° NNW	2026-08-11 18:28:00.116Z	28.022° NE	38.771°	2026-08-11 18:38:00.116Z	108.745° ESE
17 mins	2026-08-11 20:23:00.116Z	306.341° NW	2026-08-11 20:31:00.116Z	235.187° WSW	40.37°	2026-08-11 20:40:00.116Z	160.504° S
5 mins	2026-08-11 22:30:00.116Z	261.898° W	2026-08-11 22:32:00.116Z	249.793° W	12.028°	2026-08-11 22:35:00.116Z	232.121° WSW

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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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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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-08-10T21:16:45.155Z)

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: 6 hours ago