HELIOS

NORAD 69021· COSPAR 2026-100AT· Active satellite· Other / Unclassified· SSO

Launch

Launched on May 3, 2026 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 5.

Falcon 9 Block 5 | CAS500-2 & Others →

Live · TLE epoch 2026-09-08 22:46 UTC

Orbit class

SSO — Sun-Synchronous (LEO at 96–102° inclination)

Operator

Greek government

Country

Greece

Manufacturer

—

Launched

May 3, 2026

Mass

—

Apogee

511 km

Perigee

503 km

Inclination

97.39°

Period

1.58 h

Altitude history

Apogee and perigee for HELIOS across 103 days of archived orbital elements (22 element sets, one per day).

Trend

Decaying

Change

-3.8 km

Rate

-0.04 km/day

Now

503 × 511 km

Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

Launched with

44 other catalogued objects still in orbit from launch 2026-100 (Falcon 9 Block 5 | CAS500-2 & Others).

PEARL-1B · 68980
GEN1A-1 · 69004
GEN1A-2 · 69005
JEN-1 · 69006
BRO-21 · 69007
YAM-14 · 69008
CAS500-2 RIDESHARE OBJE* · 69009
DRISHTI · 69010
EYCORE-1 · 69011
JACKAL-004 · 69012
CAS500-2 · 69013
CAS500-2 RIDESHARE OBJE* · 69014
FRONTIERSAT · 69015
RAVEN · 69016
EDDA-1 · 69017
PELICAN-8 · 69018
PELICAN-9 · 69019
SELENE · 69020
HYDRA-3 · 69022
QUBE-II · 69023
BALKAN-2 · 69024
IRIDE-MS2-HEO-7 · 68981
IRIDE-MS2-HEO-10 · 68982
IRIDE-MS2-HEO-11 · 68983

…and 20 more from this launch.

Sources & further reading

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