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 (60 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.2 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 SL-8 DEB
1  1618U 65073K   26032.49983054 -.00000148  00000-0 -44251-3 0  9996
2  1618  56.1745 140.7795 0227466  86.7462  10.1141 12.30381231706419

Epoch: 2026-02-01T11:59Z

TLE epoch observation values (Epoch: 2026-02-01T11:59:45.358Z)

Latitude

55.61376°

Longitude

-67.84037°

Altitude

1,377.827 km

Speed

7.256 km/s

True Right ascension

16h 15m 13s

True Declination

55° 27' 58"

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

04:18:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,727.733 km

Perigee altitude

1,367.173 km

Semi-major axis

7,925.59 km

Eccentricity

0.02275

Inclination

56.1745°

RAAN

140.7795°

Arg. of periapsis

86.7462°

True anomaly

10.585°

Mean anomaly

10.1141°

Eccentric anomaly

10.34821°

Mean motion

3.07607 °/min

Orbital period

117.03 mins

BSTAR

-0.00044251

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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.
7 mins	2026-02-02 07:06:12.788Z	140.391° SSE	2026-02-02 07:10:12.788Z	112.421° ESE	13.758°	2026-02-02 07:13:12.788Z	90.487° ESE
15 mins	2026-02-02 09:04:12.788Z	207.931° SW	2026-02-02 09:11:12.788Z	123.346° SE	42.942°	2026-02-02 09:19:12.788Z	49.207° ENE
14 mins	2026-02-02 11:07:12.788Z	267.031° W	2026-02-02 11:14:12.788Z	338.596° N	33.362°	2026-02-02 11:21:12.788Z	39.373° NE
11 mins	2026-02-02 13:13:12.788Z	313.559° NW	2026-02-02 13:18:12.788Z	357.955° N	23.588°	2026-02-02 13:24:12.788Z	49.289° ENE
13 mins	2026-02-02 15:17:12.788Z	327.485° NNW	2026-02-02 15:23:12.788Z	31.578° NE	32.558°	2026-02-02 15:30:12.788Z	93.065° ESE
15 mins	2026-02-02 17:19:12.788Z	310.201° NW	2026-02-02 17:26:12.788Z	205.994° SW	43.549°	2026-02-02 17:34:12.788Z	147.302° SSE
8 mins	2026-02-02 19:23:12.788Z	273.048° WNW	2026-02-02 19:27:12.788Z	242.909° WSW	15.345°	2026-02-02 19:31:12.788Z	214.856° 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, 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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-02-01T11:59:45.358Z)

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: 15 hours ago