Tracking 34142 objects as of 18-May-2026
HD Live streaming from Space Station
objects crossing your sky now

HYDROGNSS-1

Track HYDROGNSS-1 now!
10-day predictions


NORAD ID: 66762
Int'l Code: 2025-276DA
Perigee: 531.2 km
Apogee: 547.7 km
Inclination: 97.4 °
Period: 95.3 minutes
Semi major axis: 6910 km
RCS: Unknown
Launch date: November 28, 2025
Source: European Space Agency (ESA)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

HYDROGNSS-1 is a small LEO satellite mission that uses GNSS?reflectometry (measuring signals from GPS/GLONASS/Galileo after they reflect off the Earth) to demonstrate and retrieve hydrological information (surface water extent, flood mapping, soil moisture and related parameters). It is a technology/demonstration small satellite (CubeSat/smallsat class) flown to test GNSS?R techniques for operational hydrology applications.
Your satellite tracking list
Your tracking list is empty




NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 66762U 25276DA  26137.61342938  .00001871  00000-0  11476-3 0  9993
2 66762  97.4211 211.0077 0011927 149.4092 210.7836 15.11279861 25735
Source of the keplerian elements: AFSPC