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 URL

https://www.satcat.com/sats-embedded/1618?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1618, 1965-073K

Orbit

LEO

Last TLE update

13 hours ago

Origin

Russian Strategic Rocket Forces (CIS)

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

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 SL-8 DEB
1 01618U 65073K   25199.39673969  .00000090  00000-0  14010-2 0  9992
2 01618  56.1777 294.8788 0225279 192.9620 243.3310 12.30321411682036

Epoch: 2025-07-18T09:31Z

TLE epoch observation values (Epoch: 2025-07-18T09:31:18.309Z)

Latitude

53.12699°

Longitude

-81.65502°

Altitude

1,638.173 km

Speed

7.021 km/s

True Right ascension

23h 50m 28s

True Declination

52° 58' 48"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

22.06467°

Longitude

-130.16207°

Altitude

1,722.426 km

Speed

6.941 km/s

Apparent Right ascension

21h 48m 37s

Apparent Declination

-5° 12' 10"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

11:42:00

Azimuth

43.814° NE

Elevation

-46.922°

Doppler factor

Orbital elements

Apogee altitude

1,726.262 km

Perigee altitude

1,369.157 km

Semi-major axis

7,925.846 km

Eccentricity

0.02253

Inclination

56.1777°

RAAN

294.8788°

Arg. of periapsis

192.962°

True anomaly

241.05353°

Mean anomaly

243.331°

Eccentric anomaly

242.18934°

Mean motion

3.07592 °/min

Orbital period

117.04 mins

BSTAR

0.001401

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Other satellites on launch #73 in the year 1965 (1965-09-18 UTC)

SL-8 DEB Visibility forecast

Observer location: undefined°, undefined°

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.
14 mins	2025-07-19 06:38:29.146Z	161.012° S	2025-07-19 06:45:29.146Z	116.508° SE	21.715°	2025-07-19 06:52:29.146Z	69.707° E
18 mins	2025-07-19 08:38:29.146Z	218.306° SW	2025-07-19 08:47:29.146Z	93.316° ESE	44.75°	2025-07-19 08:56:29.146Z	46.448° ENE
16 mins	2025-07-19 10:42:29.146Z	270.653° WNW	2025-07-19 10:50:29.146Z	333.429° NNW	33.23°	2025-07-19 10:58:29.146Z	40.087° NE
14 mins	2025-07-19 12:49:29.146Z	313.091° NW	2025-07-19 12:55:29.146Z	359.777° N	26.281°	2025-07-19 13:03:29.146Z	61.011° ENE
15 mins	2025-07-19 14:53:29.146Z	322.783° NNW	2025-07-19 15:00:29.146Z	28.709° NE	36.699°	2025-07-19 15:08:29.146Z	102.658° ESE
16 mins	2025-07-19 16:55:29.146Z	307.763° NW	2025-07-19 17:03:29.146Z	225.725° WSW	40.59°	2025-07-19 17:11:29.146Z	156.927° SSE

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

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