Key statistics
Satellite ESSAIM-2 at a glance.
Uptime
7666
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for ESSAIM-2.
Object identification
Identified? True
Debris? False
Object name: ESSAIM-2
International designator: 2004-049D
Object number (NORAD): 28495
Object ID (CCSDS): 28495
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 96.627 minutes
Inclination: 98.241 deg
SMA: 6975.227 km
Apoapsis: 598.507 km
Periapsis: 595.678 km
RAAN: 241.8333 deg
Eccentricy: 0.00020284
Argument of periapsis: 41.3133 deg
Mean anomaly: 318.8236 deg
Mean motion: 14.90270837 rev/day
Mean motion (dot): 0.00002319 rev/day2
B* drag term: 0.00024512767 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 4:35 p.m. UTC
TLE line 0: 0 ESSAIM-2
TLE line 1: 1 28495U 04049D 25347.69116974 .00002319 00000-0 24513-3 0 9992
TLE line 2: 2 28495 98.2410 241.8333 0002028 41.3133 318.8236 14.90270837132902
Live tracking on map
Real-time ground track for satellite ESSAIM-2.
In-orbit conjunctions
There are no conjunctions computed for ESSAIM-2, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Helios and Essaim are French miltary satellites for observation of Earth. Parasol is an Earth Observation research satellite.Nanosat 01 is a small technologu demonstator for the spanish space agency INTA.
ESSAIM-2 was lifted into orbit during the mission ‘Ariane 5 G+ | Helios 2A, Essaim 1, 2, 3, 4, PARASOL, Nanosat 01’, on board a Ariane 5 G+ space rocket.
The launch took place on Dec. 18, 2004, 4:26 p.m. from Ariane Launch Area 3.
For more information about the launch, click the button.
Ariane 5 G+ | Helios 2A, Essaim 1, 2, 3, 4, PARASOL, Nanosat 01
Agency: N/A
Status: Launch Successful
Launch date: Dec. 18, 2004, 4:26 p.m. UTC
Rocket: Ariane 5 G+
Launch pad: Ariane Launch Area 3
Location: Guiana Space Centre, French Guiana
...
Latest news about this satellite
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