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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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: 22 hours ago

TLE from 22 hours ago

0 SL-8 DEB
1 01477U 65020BB  26078.32937127 -.00000421  00000-0 -45324-3 0  9999
2 01477  55.4923 160.5294 0591157 177.5734 182.8288 12.99633188866533

Epoch: 2026-03-19T07:54Z

TLE epoch observation values (Epoch: 2026-03-19T07:54:17.677Z)

Latitude

-0°

Longitude

-134.92461°

Altitude

1,715.817 km

Speed

6.809 km/s

True Right ascension

10h 42m 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

10:51:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,715.161 km

Perigee altitude

811.688 km

Semi-major axis

7,641.562 km

Eccentricity

0.05912

Inclination

55.4923°

RAAN

160.5294°

Arg. of periapsis

177.5734°

True anomaly

182.51752°

Mean anomaly

182.8288°

Eccentric anomaly

182.67096°

Mean motion

3.24915 °/min

Orbital period

110.8 mins

BSTAR

-0.00045324

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

SL-8 DEB, 1479

SL-8 DEB, 1410 (Decayed)

SL-8 DEB, 2204 (Decayed)

SL-8 DEB, 3749

SL-8 DEB *, 3965

SL-8 DEB, 1417 (Decayed)

SL-8 DEB, 2637 (Decayed)

SL-8 DEB, 1373 (Decayed)

SL-8 DEB, 1556 (Decayed)

SL-8 DEB, 1340 (Decayed)

SL-8 DEB, 3038

SL-8 DEB, 1557 (Decayed)

SL-8 DEB, 1338 (Decayed)

SL-8 DEB, 1349 (Decayed)

SL-8 DEB *, 3743

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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.
15 mins	2026-03-20 06:08:25.920Z	177.157° S	2026-03-20 06:16:25.920Z	122.758° SE	28.027°	2026-03-20 06:23:25.920Z	66.766° ENE
17 mins	2026-03-20 08:03:25.920Z	229.515° WSW	2026-03-20 08:12:25.920Z	348.248° N	44.552°	2026-03-20 08:20:25.920Z	45.246° ENE
13 mins	2026-03-20 10:02:25.920Z	280.902° WNW	2026-03-20 10:08:25.920Z	330.271° NNW	29.235°	2026-03-20 10:15:25.920Z	38.631° NE
10 mins	2026-03-20 12:02:25.920Z	320.795° NNW	2026-03-20 12:06:25.920Z	356.881° N	22.622°	2026-03-20 12:12:25.920Z	56.162° ENE
10 mins	2026-03-20 13:59:25.920Z	326.202° NNW	2026-03-20 14:04:25.920Z	29.069° NE	34.171°	2026-03-20 14:09:25.920Z	97.391° ESE
9 mins	2026-03-20 15:55:25.920Z	299.477° NW	2026-03-20 16:00:25.920Z	220.301° SW	35.91°	2026-03-20 16:04:25.920Z	164.99° 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: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-03-19T07:54:17.677Z)

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: 22 hours ago