HELIOS
Mission information
Name
HELIOS
Alternate Names
HSD-HELIOS
Satellite ID
UHFO-5095-4127-1051-0125
NORAD ID
69021
Website
https://emtech.space/
Status
Satellite alive
Operational

Satellite is in orbit and operational

Image
HELIOS
Mission timeline
Launch Date
2026-05-03T06:59:00+00:00
Description

The Hellenic Space Dawn mission is a Greek initiative, featuring a twin CubeSat constellation named Helios and Selene designed to bolster national space capabilities through advanced Earth Observation and experimental laser communications. Supported by the European Space Agency and the Greek Ministry of Digital Governance, the mission integrates domestic technologies—including on-board edge processing and secure optical links—to deliver data for applications such as maritime traffic monitoring, natural disaster management, and urban land use analysis.

Type
Transmitter
Downlink Mode
FSK
Downlink Frequency
2255000000
Baud
50000
ITU Notifications
ITU Notified [Link 1]
Most Recent Observers (last 24h)
Observer Latest Data
PE2BZ-Odroid-L-band and / or S-band-JO22ca 2026-05-23 21:41:16 UTC
Data Frames Decoded - 30 Days
There is no decoded data for this satellite in the last 30 days.
No Decoders Found
Help us develop a decoder, you can find instructions at this wiki link
Orbital Elements
Latest Two-Line Element (TLE)
TLE Source
Space-Track.org
TLE Updated
2026-05-23 19:25:55 UTC
TLE Set
1 69021U 26100AT  26143.48378500  .00005680  00000-0  26956-3 0  9998
2 69021 97.4047 41.7224 0006723 79.2278 280.9714 15.19631553 3052
Satellite Suggestion History

Transmitter Suggestion History