SL-8 DEB, 1477

Orbit data source: Space-Track

SL-8 DEB, 1477 is space debris in LEO originally from a launch on Mon, 15 Mar 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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https://www.satcat.com/sats-embedded/1477?theme=dark&initialShowStats=false

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Identifier

1477, 1965-020BB

Orbit

LEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1965-03-15 (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: 1 day ago

TLE from 1 day ago

0 SL-8 DEB
1 01477U 65020BB  26174.55223948  .00001209  00000-0  19529-2 0  9990
2 01477  55.4908 230.0324 0588010 332.9769  24.1629 12.99727903879048

Epoch: 2026-06-23T13:15Z

TLE epoch observation values (Epoch: 2026-06-23T13:15:13.491Z)

Latitude

-0.00002°

Longitude

119.50401°

Altitude

859.057 km

Speed

7.618 km/s

True Right ascension

15h 20m 07s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

02:57:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,712.363 km

Perigee altitude

813.744 km

Semi-major axis

7,641.191 km

Eccentricity

0.0588

Inclination

55.4908°

RAAN

230.0324°

Arg. of periapsis

332.9769°

True anomaly

27.11734°

Mean anomaly

24.1629°

Eccentric anomaly

25.61966°

Mean motion

3.24939 °/min

Orbital period

110.79 mins

BSTAR

0.0019529

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Other satellites on launch #20 in the year 1965 (1965-03-15 UTC)

SL-8 DEB, 1355 (Decayed)

SL-8 DEB, 1370 (Decayed)

SL-8 DEB, 1559 (Decayed)

SL-8 DEB, 1497 (Decayed)

SL-8 DEB, 1558 (Decayed)

SL-8 DEB, 1353 (Decayed)

SL-8 DEB, 5813 (Decayed)

SL-8 DEB, 1416 (Decayed)

SL-8 DEB, 6736 (Decayed)

SL-8 DEB, 1533 (Decayed)

SL-8 DEB, 1493 (Decayed)

SL-8 DEB, 1418 (Decayed)

SL-8 DEB, 1547 (Decayed)

SL-8 DEB, 1543 (Decayed)

SL-8 DEB, 3963 (Decayed)

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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.
10 mins	2026-06-24 15:47:05.499Z	270.122° WNW	2026-06-24 15:50:05.499Z	247.802° W	21.317°	2026-06-24 15:57:05.499Z	201.795° SSW
6 mins	2026-06-25 04:10:05.499Z	136.36° SSE	2026-06-25 04:12:05.499Z	114.583° SE	16.917°	2026-06-25 04:16:05.499Z	78.049° E
13 mins	2026-06-25 06:01:05.499Z	224.436° SW	2026-06-25 06:06:05.499Z	224.532° SW	44.77°	2026-06-25 06:14:05.499Z	46.602° ENE
12 mins	2026-06-25 07:58:05.499Z	284.261° WNW	2026-06-25 08:03:05.499Z	340.232° N	29.737°	2026-06-25 08:10:05.499Z	41.002° NE
13 mins	2026-06-25 09:56:05.499Z	318.391° NNW	2026-06-25 10:01:05.499Z	3.911° NNE	25.911°	2026-06-25 10:09:05.499Z	62.999° ENE
17 mins	2026-06-25 11:52:05.499Z	321.33° NNW	2026-06-25 11:59:05.499Z	25.649° NE	37.18°	2026-06-25 12:09:05.499Z	104.178° ESE
18 mins	2026-06-25 13:48:05.499Z	307.91° NW	2026-06-25 13:56:05.499Z	224.471° SW	42.812°	2026-06-25 14:06:05.499Z	150.824° SSE

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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, 1477 on other resources

View SL-8 DEB, 1477 on Heavens-Above

View SL-8 DEB, 1477 on Keep Track

View SL-8 DEB, 1477 on Celestrak

View SL-8 DEB, 1477 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, 1477

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: 2026-06-23T13:15:13.491Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #20 in the year 1965 (1965-03-15 UTC)

SL-8 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-8 DEB, 1477 on other resources

Documentation

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