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)

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Last TLE update: 20 hours ago

TLE from 20 hours ago

0 SL-8 DEB
1  1618U 65073K   26109.94544707  .00000118  00000-0  16176-2 0  9998
2  1618  56.1759 299.7787 0225511 184.8548 326.5588 12.30398931715946

Epoch: 2026-04-19T22:41Z

TLE epoch observation values (Epoch: 2026-04-19T22:41:26.626Z)

Latitude

24.63381°

Longitude

-86.42674°

Altitude

1,400.849 km

Speed

7.229 km/s

True Right ascension

06h 47m 54s

True Declination

24° 30' 52"

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

02:00:35

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,726.106 km

Perigee altitude

1,368.647 km

Semi-major axis

7,925.514 km

Eccentricity

0.02255

Inclination

56.1759°

RAAN

299.7787°

Arg. of periapsis

184.8548°

True anomaly

325.1006°

Mean anomaly

326.5588°

Eccentric anomaly

325.83316°

Mean motion

3.07611 °/min

Orbital period

117.03 mins

BSTAR

0.0016176

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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	2026-04-20 19:45:32.378Z	314.663° NW	2026-04-20 19:52:32.378Z	6.378° NNE	27.384°	2026-04-20 20:00:32.378Z	71.616° E
16 mins	2026-04-20 21:49:32.378Z	319.273° NNW	2026-04-20 21:57:32.378Z	50.136° ENE	41.965°	2026-04-20 22:05:32.378Z	119.833° SE
13 mins	2026-04-20 23:52:32.378Z	297.747° NW	2026-04-20 23:58:32.378Z	246.589° WSW	31.077°	2026-04-21 00:05:32.378Z	179.712° S
14 mins	2026-04-21 12:58:32.378Z	163.569° S	2026-04-21 13:04:32.378Z	120.651° SE	25.59°	2026-04-21 13:12:32.378Z	64.436° ENE
18 mins	2026-04-21 14:57:32.378Z	225.673° WSW	2026-04-21 15:06:32.378Z	305.146° NW	44.906°	2026-04-21 15:15:32.378Z	44.75° NE
16 mins	2026-04-21 17:02:32.378Z	277.342° WNW	2026-04-21 17:10:32.378Z	341.346° N	31.191°	2026-04-21 17:18:32.378Z	42.947° NE

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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: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-04-19T22:41:26.626Z)

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: 20 hours ago