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: 12 hours ago

TLE from 12 hours ago

0 SL-8 DEB
1 01477U 65020BB  26031.94825985  .00002572  00000-0  39670-2 0  9997
2 01477  55.4915 300.5766 0589987 102.6059 264.1471 12.99538826860503

Epoch: 2026-01-31T22:45Z

TLE epoch observation values (Epoch: 2026-01-31T22:45:29.651Z)

Latitude

0.00005°

Longitude

-171.96184°

Altitude

1,336.945 km

Speed

7.156 km/s

True Right ascension

20h 02m 18s

True Declination

0° 00' 00"

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

12:16:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,714.659 km

Perigee altitude

812.931 km

Semi-major axis

7,641.932 km

Eccentricity

0.059

Inclination

55.4915°

RAAN

300.5766°

Arg. of periapsis

102.6059°

True anomaly

257.48682°

Mean anomaly

264.1471°

Eccentric anomaly

260.81011°

Mean motion

3.24892 °/min

Orbital period

110.81 mins

BSTAR

0.003967

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

SL-8 DEB, 1552 (Decayed)

SL-8 DEB, 1336 (Decayed)

SL-8 DEB, 1355 (Decayed)

SL-8 DEB, 1564 (Decayed)

SL-8 DEB, 1353 (Decayed)

SL-8 DEB, 1538 (Decayed)

SL-8 DEB, 1539 (Decayed)

SL-8 DEB, 1554 (Decayed)

SL-8 DEB, 1557 (Decayed)

SL-8 DEB, 1372 (Decayed)

SL-8 DEB, 1488 (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.
11 mins	2026-02-01 19:10:26.749Z	190.307° SSW	2026-02-01 19:16:26.749Z	132.368° SE	30.882°	2026-02-01 19:21:26.749Z	66.239° ENE
10 mins	2026-02-01 21:07:26.749Z	253.428° W	2026-02-01 21:12:26.749Z	337.689° N	37.211°	2026-02-01 21:17:26.749Z	38.184° NE
5 mins	2026-02-01 23:06:26.749Z	319.576° NNW	2026-02-01 23:08:26.749Z	344.782° N	17.749°	2026-02-01 23:11:26.749Z	22.22° NNE
6 mins	2026-02-02 01:03:26.749Z	341.976° N	2026-02-02 01:06:26.749Z	21.68° NNE	17.648°	2026-02-02 01:09:26.749Z	56.699° ENE
9 mins	2026-02-02 02:58:26.749Z	325.323° NNW	2026-02-02 03:02:26.749Z	42.555° NE	39.379°	2026-02-02 03:07:26.749Z	115.237° SE
8 mins	2026-02-02 04:54:26.749Z	277.624° WNW	2026-02-02 04:57:26.749Z	233.319° WSW	24.613°	2026-02-02 05:02:26.749Z	178.961° S

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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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-01-31T22:45:29.651Z)

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: 12 hours ago