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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Iframe URL

https://www.satcat.com/sats-embedded/1477?theme=dark&initialShowStats=false

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ISO8601 Format

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 (62 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: 11 hours ago

TLE from 11 hours ago

0 SL-8 DEB
1 01477U 65020BB  26317.91634358  .00000313  00000-0  63692-3 0  9996
2 01477  55.4897 157.1029 0582287 204.0341 153.2373 12.99693917897688

Epoch: 2026-11-13T21:59Z

TLE epoch observation values (Epoch: 2026-11-13T21:59:32.085Z)

Latitude

-0.00001°

Longitude

134.19059°

Altitude

1,666.47 km

Speed

6.854 km/s

True Right ascension

10h 28m 24s

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

05:41:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,708.131 km

Perigee altitude

818.243 km

Semi-major axis

7,641.324 km

Eccentricity

0.05823

Inclination

55.4897°

RAAN

157.1029°

Arg. of periapsis

204.0341°

True anomaly

156.05702°

Mean anomaly

153.2373°

Eccentric anomaly

154.66492°

Mean motion

3.2493 °/min

Orbital period

110.79 mins

BSTAR

0.00063692

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

SL-8 DEB, 1353 (Decayed)

SL-8 DEB, 1438 (Decayed)

SL-8 DEB, 13517

SL-8 DEB *, 6252

SL-8 DEB, 3038

SL-8 DEB, 1593 (Decayed)

SL-8 DEB, 1567 (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.
18 mins	2026-11-14 14:41:28.357Z	191.154° SSW	2026-11-14 14:50:28.357Z	127.133° SE	46.053°	2026-11-14 14:59:28.357Z	56.455° ENE
18 mins	2026-11-14 16:37:28.357Z	241.571° WSW	2026-11-14 16:46:28.357Z	316.58° NNW	65.733°	2026-11-14 16:55:28.357Z	43.218° NE
14 mins	2026-11-14 18:37:28.357Z	290.428° WNW	2026-11-14 18:44:28.357Z	346.939° N	32.762°	2026-11-14 18:51:28.357Z	44.332° NE
12 mins	2026-11-14 20:36:28.357Z	318.31° NNW	2026-11-14 20:42:28.357Z	7.963° NNE	30.045°	2026-11-14 20:48:28.357Z	65.575° ENE
13 mins	2026-11-14 22:33:28.357Z	319.444° NNW	2026-11-14 22:40:28.357Z	50.142° ENE	60.005°	2026-11-14 22:46:28.357Z	115.864° SE
10 mins	2026-11-15 00:30:28.357Z	292.352° WNW	2026-11-15 00:35:28.357Z	234.882° WSW	33.676°	2026-11-15 00:40:28.357Z	178.739° 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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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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-11-13T21:59:32.085Z)

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: 11 hours ago