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

Last TLE update

7 hours ago

Origin

Russian Strategic Rocket Forces (CIS)

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

TLE from 7 hours ago

0 SL-6 R/B(2)
1 20710U 90064D   25212.07770411 -.00000161  00000-0  00000+0 0  9996
2 20710  69.2105 120.4372 6226526  21.2343 356.0989  2.04541627261581

Epoch: 2025-07-31T01:51Z

TLE epoch observation values (Epoch: 2025-07-31T01:51:53.635Z)

Latitude

0.00023°

Longitude

143.54646°

Altitude

3,772.035 km

Speed

7.959 km/s

True Right ascension

08h 01m 52s

True Declination

0° 00' 01"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-32.70811°

Longitude

-22.4323°

Altitude

34,184.564 km

Speed

2.11 km/s

Apparent Right ascension

20h 39m 17s

Apparent Declination

-40° 53' 34"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:57:26

Azimuth

205.422° SW

Elevation

3.299°

Doppler factor

Orbital elements

Apogee altitude

36,157.713 km

Perigee altitude

3,513.563 km

Semi-major axis

26,213.775 km

Eccentricity

0.62265

Inclination

69.2105°

RAAN

120.4372°

Arg. of periapsis

21.2343°

True anomaly

338.93229°

Mean anomaly

356.0989°

Eccentric anomaly

349.7518°

Mean motion

0.51139 °/min

Orbital period

703.97 mins

BSTAR

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

COSMOS 2087, 20707

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

SL-6 PLAT, 20709 (Decayed)

SL-6 DEB, 20714 (Decayed)

SL-6 DEB, 20715 (Decayed)

SL-6 DEB, 20716 (Decayed)

SL-6 R/B(2) Visibility forecast

Observer location: undefined°, undefined°

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.
397 mins	2025-08-01 01:46:53.302Z	322.008° NNW	2025-08-01 02:27:53.302Z	53.284° ENE	39.096°	2025-08-01 08:23:53.302Z	197.182° SSW

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-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

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