SL-6 R/B(2), 20710

Orbit data source: Space-Track

SL-6 R/B(2), 20710 is space debris in HEO originally from a launch on Wed, 25 Jul 1990 UTC launched from the Plesetsk Missile And Space Complex (PKMTR). 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/20710?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20710, 1990-064D

Orbit

HEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK-L, Unknown motor

Mass

900 kg wet, 900 kg dry

Launch date (UTC)

1990-07-25 (35 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.6 m

Radar Cross Section

8.039 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 SL-6 R/B(2)
1 20710U 90064D   25347.99088771  .00000338  00000-0  00000-0 0  9993
2 20710  69.2408 111.3211 6212641  17.1567 356.6548  2.04545213264285

Epoch: 2025-12-13T23:46Z

TLE epoch observation values (Epoch: 2025-12-13T23:46:52.698Z)

Latitude

0.00023°

Longitude

31.69129°

Altitude

3,715.55 km

Speed

7.986 km/s

True Right ascension

07h 25m 17s

True Declination

0° 00' 01"

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

13:21:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,120.823 km

Perigee altitude

3,549.846 km

Semi-major axis

26,213.471 km

Eccentricity

0.62126

Inclination

69.2408°

RAAN

111.3211°

Arg. of periapsis

17.1567°

True anomaly

341.95691°

Mean anomaly

356.6548°

Eccentric anomaly

351.22369°

Mean motion

0.51139 °/min

Orbital period

703.96 mins

BSTAR

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Other satellites on launch #64 in the year 1990 (1990-07-25 UTC)

COSMOS 2087, 20707

SL-6 PLAT, 20709 (Decayed)

SL-6 DEB, 20715 (Decayed)

SL-6 DEB, 20714 (Decayed)

SL-6 DEB, 20716 (Decayed)

SL-6 R/B(1), 20708 (Decayed)

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SL-6 R/B(2) 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.
109 mins	2025-12-15 23:34:13.825Z	328.346° NNW	2025-12-16 00:10:13.825Z	297.882° NW	20.947°	2025-12-16 01:23:13.825Z	275.692° WNW
50 mins	2025-12-16 10:30:13.825Z	219.985° SW	2025-12-16 10:44:13.825Z	300.317° NW	43.347°	2025-12-16 11:20:13.825Z	33.085° NE

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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-6 R/B(2), 20710 on other resources

View SL-6 R/B(2), 20710 on Heavens-Above

View SL-6 R/B(2), 20710 on Keep Track

View SL-6 R/B(2), 20710 on Celestrak

View SL-6 R/B(2), 20710 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-6 R/B(2), 20710

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2025-12-13T23:46:52.698Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #64 in the year 1990 (1990-07-25 UTC)

SL-6 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-6 R/B(2), 20710 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago