Key statistics
Satellite SARA at a glance.
Uptime
12409
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.1
Latest
Satellite identification and parameters
Extended collection of information and parameters for SARA.
Object identification
Identified? True
Debris? False
Object name: SARA
International designator: 1991-050E
Object number (NORAD): 21578
Object ID (CCSDS): 21578
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 98.744 minutes
Inclination: 98.1446 deg
SMA: 7076.729 km
Apoapsis: 700.92 km
Periapsis: 696.268 km
RAAN: 238.0776 deg
Eccentricy: 0.0003287
Argument of periapsis: 142.0444 deg
Mean anomaly: 333.7277 deg
Mean motion: 14.58323752 rev/day
Mean motion (dot): 0.00000672 rev/day2
B* drag term: 0.00015494 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 10:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 5:50 p.m. UTC
TLE line 0: 0 SARA
TLE line 1: 1 21578U 91050E 25186.74318645 .00000672 00000-0 15494-3 0 9999
TLE line 2: 2 21578 98.1446 238.0776 0003287 142.0444 333.7277 14.58323752796025
Live tracking on map
Real-time ground track for satellite SARA.
In-orbit conjunctions
A list of the most updated potential collisions computed for object SARA.
Associated space launch
ERS (European Remote Sensing Satellite) are a family of multi-disciplinary Earth Observation Satellites.
SARA was lifted into orbit during the mission ‘Ariane 40 | ERS-1’, on board a Ariane 40 space rocket.
The launch took place on July 17, 1991, 1:46 a.m. from Ariane Launch Area 2.
For more information about the launch, click the button.
Ariane 40 | ERS-1
Agency: N/A
Status: Launch Successful
Launch date: July 17, 1991, 1:46 a.m. UTC
Rocket: Ariane 40
Launch pad: Ariane Launch Area 2
Location: Guiana Space Centre, French Guiana
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