HELIOS 2A, 28492
Orbit data source: Space-Track
HELIOS 2A, 28492 is a French payload satellite in SSO that was launched on Sat, 18 Dec 2004 UTC via an ARIANE 5G+ launch vehicle from the French Guiana (FRGUI). 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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28492 intel report (Beta)
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Identifier
Orbit
Country
FRRelated business
Manufacturer
Astrium/Toulouse
Mission
Non-operational Defense Imaging
Bus & Motor
SPOT, Unknown motor
Mass
4,200 kg wet, ~4,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 8.0 m
Radar Cross Section
33.015 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 HELIOS 2A
1 28492U 04049A 26171.43231675 .00001870 00000-0 14481-3 0 9997
2 28492 98.2563 225.3325 0002088 322.7873 37.3205 15.02812325154258Epoch: 2026-06-20T10:22Z
TLE epoch observation values (Epoch: 2026-06-20T10:22:32.167Z)
Latitude
-0.00004°
Longitude
161.05145°
Altitude
560.119 km
Speed
7.582 km/s
True Right ascension
15h 01m 19s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:39:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
556.704 km
Perigee altitude
553.808 km
Semi-major axis
6,933.393 km
Eccentricity
0.00021
Inclination
98.2563°
RAAN
225.3325°
Arg. of periapsis
322.7873°
True anomaly
37.33501°
Mean anomaly
37.3205°
Eccentric anomaly
37.32775°
Mean motion
3.75945 °/min
Orbital period
95.76 mins
BSTAR
0.00014481
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Other satellites on launch #49 in the year 2004 (2004-12-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.HELIOS 2A Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 15:42:02.659Z | 56.204° ENE | 2026-06-22 15:44:02.659Z | 93.536° ESE | 19.833° | 2026-06-22 15:47:02.659Z | 144.585° SSE |
| 5 mins | 2026-06-22 17:17:02.659Z | 332.334° NNW | 2026-06-22 17:19:02.659Z | 287.33° WNW | 24.356° | 2026-06-22 17:22:02.659Z | 234.605° WSW |
| 5 mins | 2026-06-23 04:02:02.659Z | 200.276° SSW | 2026-06-23 04:04:02.659Z | 259.466° W | 35.053° | 2026-06-23 04:07:02.659Z | 329.118° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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