SL-6 R/B(2), 13016

Orbit data source: Space-Track

SL-6 R/B(2), 13016 is space debris in HEO originally from a launch on Wed, 23 Dec 1981 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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https://www.satcat.com/sats-embedded/13016?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

13016, 1981-123D

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)

1981-12-23 (44 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 week ago

TLE from 1 week ago

0 SL-6 R/B(2)
1 13016U 81123D   26166.81080724 -.00000286  00000-0  24026-3 0  9991
2 13016  62.9443   8.7285 7136938 285.6667  11.2151  2.40494543360339

Epoch: 2026-06-15T19:27Z

TLE epoch observation values (Epoch: 2026-06-15T19:27:33.745Z)

Latitude

-0.0003°

Longitude

172.79292°

Altitude

3,310.757 km

Speed

8.084 km/s

True Right ascension

00h 35m 06s

True Declination

0° 00' 01"

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

23:08:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

33,947.335 km

Perigee altitude

359.025 km

Semi-major axis

23,531.317 km

Eccentricity

0.71369

Inclination

62.9443°

RAAN

8.7285°

Arg. of periapsis

285.6667°

True anomaly

73.93243°

Mean anomaly

11.2151°

Eccentric anomaly

34.19905°

Mean motion

0.60128 °/min

Orbital period

598.73 mins

BSTAR

0.00024026

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Other satellites on launch #123 in the year 1981 (1981-12-23 UTC)

SL-6 R/B(1), 13013 (Decayed)

MOLNIYA 1-52, 13012

SL-6 DEB, 48265

SL-6 PLAT, 13014 (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.
444 mins	2026-06-22 12:06:14.244Z	55.989° ENE	2026-06-22 12:06:14.244Z	55.989° ENE	30.363°	2026-06-22 19:30:14.244Z	78.834° E
448 mins	2026-06-22 22:02:14.244Z	312.643° NW	2026-06-23 01:39:14.244Z	318.691° NNW	32.38°	2026-06-23 05:30:14.244Z	280.464° WNW

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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), 13016 on other resources

View SL-6 R/B(2), 13016 on Heavens-Above

View SL-6 R/B(2), 13016 on Keep Track

View SL-6 R/B(2), 13016 on Celestrak

View SL-6 R/B(2), 13016 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), 13016

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-06-15T19:27:33.745Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #123 in the year 1981 (1981-12-23 UTC)

SL-6 R/B(2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-6 R/B(2), 13016 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 week ago