Key statistics
Satellite HELIOS 2A at a glance.
Uptime
7506
Days in orbit
Revolutions
≈ 15.0
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for HELIOS 2A.
Object identification
Identified? True
Debris? False
Object name: HELIOS 2A
International designator: 2004-049A
Object number (NORAD): 28492
Object ID (CCSDS): 28492
Country: FRANCE (FR)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 95.93 minutes
Inclination: 98.2942 deg
SMA: 6941.648 km
Apoapsis: 569.007 km
Periapsis: 558.019 km
RAAN: 213.1567 deg
Eccentricy: 0.0007914
Argument of periapsis: 37.5664 deg
Mean anomaly: 322.611 deg
Mean motion: 15.01097403 rev/day
Mean motion (dot): 0.00002363 rev/day2
B* drag term: 0.00018989 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 3 p.m. UTC
TLE line 0: 0 HELIOS 2A
TLE line 1: 1 28492U 04049A 25187.62567209 .00002363 00000-0 18989-3 0 9994
TLE line 2: 2 28492 98.2942 213.1567 0007914 37.5664 322.6110 15.01097403101892
Live tracking on map
Real-time ground track for satellite HELIOS 2A.
In-orbit conjunctions
There are no conjunctions computed for HELIOS 2A, 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.
HELIOS 2A 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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