SL-12 R/B(2), 25927

Orbit data source: Space-Track

SL-12 R/B(2), 25927 is space debris in HEO originally from a launch on Sun, 26 Sep 1999 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/25927?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25927, 1999-053D

Orbit

HEO

Last TLE update

17 hours ago

Origin

Khrunichev State Research and Production Space Center (CIS)

Manufacturer

RKKE

Mission

Spacecraft

Bus & Motor

BLOK DM2, Unknown motor

Mass

2,560 kg wet, 2,560 kg dry

Launch date (UTC)

1999-09-26 (26 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Nozzle, 6.3 m

Radar Cross Section

23.684 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 17 hours ago

0 SL-12 R/B(2)
1 25927U 99053D   25189.60562979 -.00000036  00000-0  00000-0 0  9990
2 25927  17.8118 350.6309 5323649 211.6598 122.3491  1.89348859177926

Epoch: 2025-07-08T14:32Z

TLE epoch observation values (Epoch: 2025-07-08T14:32:06.413Z)

Latitude

2.95694°

Longitude

-144.94486°

Altitude

32,656.442 km

Speed

2.446 km/s

True Right ascension

23h 59m 31s

True Declination

2° 57' 13"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

14.24922°

Longitude

-102.14786°

Altitude

32,755.137 km

Speed

2.435 km/s

Apparent Right ascension

03h 16m 51s

Apparent Declination

7° 54' 06"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:24:09

Azimuth

65.086° ENE

Elevation

-15.694°

Doppler factor

Orbital elements

Apogee altitude

35,917.097 km

Perigee altitude

6,529.191 km

Semi-major axis

27,601.281 km

Eccentricity

0.53236

Inclination

17.8118°

RAAN

350.6309°

Arg. of periapsis

211.6598°

True anomaly

Unknown

Mean anomaly

122.3491°

Eccentric anomaly

Unknown

Mean motion

0.47331 °/min

Orbital period

760.59 mins

BSTAR

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Other satellites on launch #53 in the year 1999 (1999-09-26 UTC)

ABS 6 (LMI 1), 25924

SL-12 R/B(1), 25925 (Decayed)

SL-12 PLAT, 25926 (Decayed)

SL-12 R/B(2) Visibility forecast

Observer location: undefined°, undefined°

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.
269 mins	2025-07-09 14:27:41.226Z	246.387° WSW	2025-07-09 16:10:41.226Z	254.5° W	14.394°	2025-07-09 18:56:41.226Z	269.987° W
116 mins	2025-07-09 22:18:41.226Z	273.657° WNW	2025-07-09 23:46:41.226Z	218.706° SW	23.194°	2025-07-10 00:14:41.226Z	162.779° S

Authenticating...

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Check out SL-12 R/B(2), 25927 on other resources

View SL-12 R/B(2), 25927 on Heavens-Above

View SL-12 R/B(2), 25927 on Keep Track

View SL-12 R/B(2), 25927 on Celestrak

View SL-12 R/B(2), 25927 on Gunter's Space Page

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