SL-12 R/B(2), 21019

Orbit data source: Space-Track

SL-12 R/B(2), 21019 is space debris in GEO originally from a launch on Thu, 20 Dec 1990 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

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Iframe URL

https://www.satcat.com/sats-embedded/21019?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

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ISO8601 Format

Identifier

21019, 1990-112D

Orbit

GEO

Last TLE update

18 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)

1990-12-20 (35 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 18 hours ago

0 SL-12 R/B(2)
1 21019U 90112D   25187.30395635 -.00000359  00000-0  00000-0 0  9991
2 21019  13.2044 340.5051 0027406 174.1750   7.0467  1.00030866116478

Epoch: 2025-07-06T07:17Z

TLE epoch observation values (Epoch: 2025-07-06T07:17:41.828Z)

Latitude

-0.28667°

Longitude

127.77963°

Altitude

35,739.297 km

Speed

3.081 km/s

True Right ascension

10h 46m 56s

True Declination

0° 17' 11"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

13.2186°

Longitude

38.87206°

Altitude

35,836.245 km

Speed

3.074 km/s

Apparent Right ascension

04h 31m 18s

Apparent Declination

7° 10' 21"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

13:23:22

Azimuth

306.159° NW

Elevation

-26.044°

Doppler factor

Orbital elements

Apogee altitude

35,971.001 km

Perigee altitude

35,739.511 km

Semi-major axis

42,233.393 km

Eccentricity

0.00274

Inclination

13.2044°

RAAN

340.5051°

Arg. of periapsis

174.175°

True anomaly

Unknown

Mean anomaly

7.0467°

Eccentric anomaly

Unknown

Mean motion

0.25007 °/min

Orbital period

1,439.6 mins

BSTAR

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21019 neighbors

Authenticating...

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Other satellites on launch #112 in the year 1990 (1990-12-20 UTC)

RADUGA 26, 21016

SL-12 R/B(1), 21017 (Decayed)

SL-12 PLAT, 21018 (Decayed)

SL-12 R/B(AUX MOTOR), 21024 (Decayed)

SL-12 R/B(AUX MOTOR), 21025 (Decayed)

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), 21019 on other resources

View SL-12 R/B(2), 21019 on Heavens-Above

View SL-12 R/B(2), 21019 on Keep Track

View SL-12 R/B(2), 21019 on Celestrak

View SL-12 R/B(2), 21019 on Gunter's Space Page

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