Key statistics
Satellite ESSAIM-1 at a glance.
Uptime
7617
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for ESSAIM-1.
Object identification
Identified? True
Debris? False
Object name: ESSAIM-1
International designator: 2004-049C
Object number (NORAD): 28494
Object ID (CCSDS): 28494
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 96.936 minutes
Inclination: 98.331 deg
SMA: 6990.092 km
Apoapsis: 613.145 km
Periapsis: 610.769 km
RAAN: 150.927 deg
Eccentricy: 0.00016994
Argument of periapsis: 85.9462 deg
Mean anomaly: 274.1946 deg
Mean motion: 14.85519814 rev/day
Mean motion (dot): 0.00002134 rev/day2
B* drag term: 0.00025388892 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 1:13 p.m. UTC
TLE line 0: 0 ESSAIM-1
TLE line 1: 1 28494U 04049C 25297.55125788 .00002134 00000-0 25389-3 0 9990
TLE line 2: 2 28494 98.3310 150.9270 0001699 85.9462 274.1946 14.85519814123292
Live tracking on map
Real-time ground track for satellite ESSAIM-1.
In-orbit conjunctions
There are no conjunctions computed for ESSAIM-1, 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-1 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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