SL-12 R/B(2), 18578

Orbit data source: Space-Track

SL-12 R/B(2), 18578 is space debris in GEO originally from a launch on Thu, 26 Nov 1987 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

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/18578?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/18578?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

18578, 1987-096D

Orbit

GEO

Last TLE update

3 hours ago

Origin

Russian Strategic Rocket Forces (CIS)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK DM, Unknown motor

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

1987-11-26 (38 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 6.27 m

Radar Cross Section

23.597 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 3 hours ago

0 SL-12 R/B(2)
1 18578U 87096D   25184.16086546  .00000126  00000-0  00000+0 0  9993
2 18578  11.3046 328.4566 0022860 235.7167 153.8127  1.00563817134599

Epoch: 2025-07-03T03:51Z

TLE epoch observation values (Epoch: 2025-07-03T03:51:38.775Z)

Latitude

5.5685°

Longitude

18.26253°

Altitude

35,789.899 km

Speed

3.071 km/s

True Right ascension

23h 50m 25s

True Declination

5° 33' 46"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

11.11023°

Longitude

67.77276°

Altitude

35,791.965 km

Speed

3.071 km/s

Apparent Right ascension

03h 29m 37s

Apparent Declination

5° 13' 21"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

18:54:10

Azimuth

58.738° ENE

Elevation

-24.888°

Doppler factor

Orbital elements

Apogee altitude

35,802.142 km

Perigee altitude

35,609.734 km

Semi-major axis

42,084.075 km

Eccentricity

0.00229

Inclination

11.3046°

RAAN

328.4566°

Arg. of periapsis

235.7167°

True anomaly

Unknown

Mean anomaly

153.8127°

Eccentric anomaly

Unknown

Mean motion

0.2514 °/min

Orbital period

1,431.98 mins

BSTAR

Loading historical data...

18578 neighbors

Authenticating...

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #96 in the year 1987 (1987-11-26 UTC)

COSMOS 1897, 18575

SL-12 R/B(1), 18576 (Decayed)

SL-12 PLAT, 18577 (Decayed)

SL-12 R/B(AUX MOTOR), 18579 (Decayed)

SL-12 R/B(AUX MOTOR), 18580 (Decayed)

COSMOS 1897 DEB, 44572

SL-12 R/B(2) Visibility

Observer location: undefined°, undefined°

SL-12 R/B(2) is likely not visible in the next few days

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out SL-12 R/B(2), 18578 on other resources

View SL-12 R/B(2), 18578 on Heavens-Above

View SL-12 R/B(2), 18578 on Keep Track

View SL-12 R/B(2), 18578 on Celestrak

View SL-12 R/B(2), 18578 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.