SL-8 DEB, 1617

Orbit data source: Space-Track

SL-8 DEB, 1617 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/1617?theme=dark&initialShowStats=false

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Identifier

1617, 1965-073J

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)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 SL-8 DEB
1 01617U 65073J   25352.02246807  .00000008  00000-0  72363-3 0  9994
2 01617  56.1260 179.9878 0245683  72.7844  95.2668 12.34807635708062

Epoch: 2025-12-18T00:32Z

TLE epoch observation values (Epoch: 2025-12-18T00:32:21.241Z)

Latitude

7.55678°

Longitude

-100.06912°

Altitude

1,551.633 km

Speed

7.082 km/s

True Right ascension

23h 39m 36s

True Declination

7° 30' 60"

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

00:03:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,722.759 km

Perigee altitude

1,334.254 km

Semi-major axis

7,906.643 km

Eccentricity

0.02457

Inclination

56.126°

RAAN

179.9878°

Arg. of periapsis

72.7844°

True anomaly

98.06124°

Mean anomaly

95.2668°

Eccentric anomaly

96.66495°

Mean motion

3.08713 °/min

Orbital period

116.61 mins

BSTAR

0.00072363

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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.
8 mins	2025-12-19 12:41:00.538Z	143.532° SSE	2025-12-19 12:45:00.538Z	113.651° SE	15.075°	2025-12-19 12:49:00.538Z	83.358° E
14 mins	2025-12-19 14:39:00.538Z	212.107° SW	2025-12-19 14:45:00.538Z	159.562° S	43.578°	2025-12-19 14:53:00.538Z	48.547° ENE
13 mins	2025-12-19 16:42:00.538Z	273.033° WNW	2025-12-19 16:48:00.538Z	335.611° NNW	31.914°	2025-12-19 16:55:00.538Z	39.031° NE
11 mins	2025-12-19 18:47:00.538Z	316.047° NNW	2025-12-19 18:52:00.538Z	1.539° NNE	23.332°	2025-12-19 18:58:00.538Z	52.146° ENE
14 mins	2025-12-19 20:50:00.538Z	325.953° NNW	2025-12-19 20:56:00.538Z	28.321° NE	33.654°	2025-12-19 21:04:00.538Z	98.053° ESE
15 mins	2025-12-19 22:52:00.538Z	308.199° NW	2025-12-19 22:58:00.538Z	243.265° WSW	42.812°	2025-12-19 23:07:00.538Z	150.159° SSE
7 mins	2025-12-20 00:56:00.538Z	267.662° W	2025-12-20 00:59:00.538Z	245.669° WSW	14.021°	2025-12-20 01:03:00.538Z	218.307° 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, 1617 on other resources

View SL-8 DEB, 1617 on Heavens-Above

View SL-8 DEB, 1617 on Keep Track

View SL-8 DEB, 1617 on Celestrak

View SL-8 DEB, 1617 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, 1617

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-18T00:32:21.241Z)

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, 1617 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago