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

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Iframe URL

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

Optional Secondary NORAD IDs

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ISO8601 Format

Identifier

18578, 1987-096D

Orbit

GEO

Last TLE update

16 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 16 hours ago

0 SL-12 R/B(2)
1 18578U 87096D   25182.57056332  .00000114  00000-0  00000-0 0  9994
2 18578  11.3068 328.4674 0022822 235.6189 298.1567  1.00563186134505

Epoch: 2025-07-01T13:41Z

TLE epoch observation values (Epoch: 2025-07-01T13:41:36.67Z)

Latitude

1.27158°

Longitude

16.86746°

Altitude

35,659.663 km

Speed

3.081 km/s

True Right ascension

09h 28m 32s

True Declination

1° 16' 13"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

9.94539°

Longitude

-95.69575°

Altitude

35,799.089 km

Speed

3.071 km/s

Apparent Right ascension

02h 19m 42s

Apparent Declination

4° 08' 04"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:49:04

Azimuth

60.525° ENE

Elevation

-24.904°

Doppler factor

Orbital elements

Apogee altitude

35,802.159 km

Perigee altitude

35,610.069 km

Semi-major axis

42,084.251 km

Eccentricity

0.00228

Inclination

11.3068°

RAAN

328.4674°

Arg. of periapsis

235.6189°

True anomaly

Unknown

Mean anomaly

298.1567°

Eccentric anomaly

Unknown

Mean motion

0.2514 °/min

Orbital period

1,431.99 mins

BSTAR

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18578 neighbors

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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...

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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

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