SL-12 R/B(2), 17872

Orbit data source: Space-Track

SL-12 R/B(2), 17872 is space debris in GEO originally from a launch on Sat, 11 Sep 1976 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/17872?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

17872, 1976-092F

Orbit

GEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK DM, Unknown motor

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

1976-09-11 (50 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)

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Last TLE update: 7 hours ago

TLE from 7 hours ago

0 SL-12 R/B(2)
1 17872U 76092F   26168.81066779  .00000006  00000-0  00000+0 0  9991
2 17872   3.4595 270.0466 0016110 198.4143 155.2741  1.00225514118923

Epoch: 2026-06-17T19:27Z

TLE epoch observation values (Epoch: 2026-06-17T19:27:21.697Z)

Latitude

-0.4°

Longitude

65.92361°

Altitude

35,861.181 km

Speed

3.07 km/s

True Right ascension

17h 35m 18s

True Declination

0° 23' 59"

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

13:00:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,868.586 km

Perigee altitude

35,732.686 km

Semi-major axis

42,178.773 km

Eccentricity

0.00161

Inclination

3.4595°

RAAN

270.0466°

Arg. of periapsis

198.4143°

True anomaly

155.35118°

Mean anomaly

155.2741°

Eccentric anomaly

155.31265°

Mean motion

0.25055 °/min

Orbital period

1,436.81 mins

BSTAR

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Other satellites on launch #92 in the year 1976 (1976-09-11 UTC)

SL-12 PLAT, 9418 (Decayed)

SL-12 R/B(AUX MOTOR), 9440 (Decayed)

RADUGA 2, 9416

SL-12 R/B(1), 9417 (Decayed)

SL-12 R/B(AUX MOTOR), 9441 (Decayed)

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SL-12 R/B(2) Visibility

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17872 neighbors

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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-12 R/B(2), 17872 on other resources

View SL-12 R/B(2), 17872 on Heavens-Above

View SL-12 R/B(2), 17872 on Keep Track

View SL-12 R/B(2), 17872 on Celestrak

View SL-12 R/B(2), 17872 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-12 R/B(2), 17872

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-06-17T19:27:21.697Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #92 in the year 1976 (1976-09-11 UTC)

SL-12 R/B(2) Visibility

17872 neighbors

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 17872 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago