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SACI 1, 25941

Orbit data source: Space-Track

SACI 1, 25941 is a payload satellite owned by INPE (BR) in SSO that was launched on Thu, 14 Oct 1999 UTC via a CHANG ZHENG 4B launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
25941, 1999-057B
Orbit
SSO
Country
Flag of UnknownUnknown / BRAZ
Related business
Manufacturer
INPE
Mission
Civil Science
Bus & Motor
SACI, Unknown motor
Mass
60 kg wet, 60 kg dry
Launch date (UTC)
1999-10-14 (26 years ago)
Launch vehicle
CHANG ZHENG 4B
Launch site
Taiyaun Space Center, China (TSC)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 4 Pan, 0.6 m
Radar Cross Section
0.500 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago
0 SACI 1
1 25941U 99057B   26038.07123300  .00000637  00000-0  15997-3 0  9996
2 25941  98.6554  82.1627 0007794 343.6456  16.4488 14.54780270393727
Epoch: 2026-02-07T01:42Z
TLE epoch observation values (Epoch: 2026-02-07T01:42:34.531Z)
Latitude
0.00007°
Longitude
-80.68121°
Altitude
707.743 km
Speed
7.505 km/s
True Right ascension
05h 28m 39s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
13:58:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
712.71 km
Perigee altitude
701.666 km
Semi-major axis
7,085.325 km
Eccentricity
0.00078
Inclination
98.6554°
RAAN
82.1627°
Arg. of periapsis
343.6456°
True anomaly
16.47411°
Mean anomaly
16.4488°
Eccentric anomaly
16.46145°
Mean motion
3.63918 °/min
Orbital period
98.92 mins
BSTAR
0.00015997
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