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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Identifier
25927, 1999-053D
Orbit
HEO
Last TLE update
17 hours ago
Origin
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
1
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
0
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Other satellites on launch #53 in the year 1999 (1999-09-26 UTC)

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 mins2025-07-09 14:27:41.226Z246.387° WSW2025-07-09 16:10:41.226Z254.5° W14.394°2025-07-09 18:56:41.226Z269.987° W
116 mins2025-07-09 22:18:41.226Z273.657° WNW2025-07-09 23:46:41.226Z218.706° SW23.194°2025-07-10 00:14:41.226Z162.779° S
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