HYDROGNSS-2
Launch
Launched on Nov 28, 2025 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 5.
Falcon 9 Block 5 | Transporter 15 (Dedicated SSO Rideshare) →Live · TLE epoch 2026-09-08 12:10 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
ESA
Country
European Space Agency
Manufacturer
—
Launched
Nov 28, 2025
Mass
—
Apogee
543 km
Perigee
526 km
Inclination
97.41°
Period
1.59 h
Altitude history
Apogee and perigee for HYDROGNSS-2 across 14 days of archived orbital elements (15 element sets, one per day).
Trend
Stable
Change
-0.2 km
Rate
-0.01 km/day
Now
526 × 543 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
60 other catalogued objects still in orbit from launch 2025-276 (Falcon 9 Block 5 | Transporter 15 (Dedicated SSO Rideshare)).
- FORMOSAT-8A · 66666
- TRANSPORTER-15 OBJECT AA · 66690
- TRANSPORTER-15 OBJECT AB · 66691
- NUSAT-52 · 66692
- AE5RB · 66693
- YAM-9 · 66694
- IRIDE-MS1-EAGLET 2-1 · 66695
- IRIDE-MS1-EAGLET 2-2 · 66696
- IRIDE-MS1-EAGLET 2-3 · 66697
- IRIDE-MS1-EAGLET 2-4 · 66698
- IRIDE-MS1-EAGLET 2-5 · 66699
- IRIDE-MS1-EAGLET 2-6 · 66700
- IRIDE-MS1-EAGLET 2-7 · 66701
- IRIDE-MS1-EAGLET 2-8 · 66702
- PELICAN-6 · 66703
- FLOCK 4H-1 · 66704
- FLOCK 4H-2 · 66705
- FLOCK 4H-3 · 66706
- FLOCK 4H-4 · 66707
- FLOCK 4H-5 · 66708
- FLOCK 4H-6 · 66709
- FLOCK 4H-7 · 66710
- FLOCK 4H-8 · 66711
- FLOCK 4H-9 · 66712
…and 36 more from this launch.
Sources & further reading
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