SL-3 R/B, 11963

Orbit data source: Space-Track

SL-3 R/B, 11963 is space debris in LEO originally from a launch on Tue, 09 Sep 1980 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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Iframe URL

https://www.satcat.com/sats-embedded/11963?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

11963, 1980-073B

Orbit

LEO

Last TLE update

15 hours ago

Origin

Russian Strategic Rocket Forces (CIS)

Manufacturer

Progress

Mission

Spacecraft

Bus & Motor

BLOK-E, Unknown motor

Mass

1,440 kg wet, 1,440 kg dry

Launch date (UTC)

1980-09-09 (45 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.8 m

Radar Cross Section

10.414 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 SL-3 R/B
1 11963U 80073B   25183.95350086  .00000318  00000-0  16819-3 0  9993
2 11963  81.2765 156.4184 0075735  41.5737 319.1158 14.10104699304194

Epoch: 2025-07-02T22:53Z

TLE epoch observation values (Epoch: 2025-07-02T22:53:02.474Z)

Latitude

-0.00003°

Longitude

-108.06912°

Altitude

820.647 km

Speed

7.464 km/s

True Right ascension

10h 25m 40s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-34.95509°

Longitude

77.46465°

Altitude

926.814 km

Speed

7.359 km/s

Apparent Right ascension

19h 08m 46s

Apparent Declination

-66° 02' 54"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

01:18:09

Azimuth

210.44° SW

Elevation

-36.809°

Doppler factor

Orbital elements

Apogee altitude

910.975 km

Perigee altitude

801.397 km

Semi-major axis

7,234.323 km

Eccentricity

0.00757

Inclination

81.2765°

RAAN

156.4184°

Arg. of periapsis

41.5737°

True anomaly

Unknown

Mean anomaly

319.1158°

Eccentric anomaly

Unknown

Mean motion

3.52733 °/min

Orbital period

102.06 mins

BSTAR

0.00016819

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Other satellites on launch #73 in the year 1980 (1980-09-09 UTC)

METEOR 2-6, 11962

METEOR 2-6 DEB, 28986

METEOR 2-6 DEB, 28987

METEOR 2-6 DEB, 29199

METEOR 2-6 DEB, 29200 (Decayed)

METEOR 2-6 DEB, 29201

METEOR 2-6 DEB, 31406

METEOR 2-6 DEB, 35426

METEOR 2-6 DEB, 36307

METEOR 2-6 DEB, 36308 (Decayed)

METEOR 2-6 DEB, 36309

METEOR 2-6 DEB, 38836

METEOR 2-6 DEB, 38837

METEOR 2-6 DEB, 38838 (Decayed)

SL-3 R/B 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.
9 mins	2025-07-03 22:50:18.668Z	181.006° SSW	2025-07-03 22:54:18.668Z	142.415° SSE	43.426°	2025-07-03 22:59:18.668Z	13.095° NNE
9 mins	2025-07-04 09:31:18.668Z	4.28° NNE	2025-07-04 09:35:18.668Z	69.602° E	39.261°	2025-07-04 09:40:18.668Z	153.126° SSE
5 mins	2025-07-04 11:16:18.668Z	296.883° NW	2025-07-04 11:18:18.668Z	271.043° WNW	17.647°	2025-07-04 11:21:18.668Z	236.732° WSW

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Check out SL-3 R/B, 11963 on other resources

View SL-3 R/B, 11963 on Heavens-Above

View SL-3 R/B, 11963 on Keep Track

View SL-3 R/B, 11963 on Celestrak

View SL-3 R/B, 11963 on Gunter's Space Page

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