HYDROGNSS-1, 66762
Orbit data source: Space-Track
HYDROGNSS-1, 66762 is a payload satellite owned by ESA (ESA) in SSO that was launched on Fri, 28 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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66762 intel report (Beta)
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Identifier
Orbit
Country
ESARelated business
Manufacturer
SSTL
Mission
Operational Civil Earth Obs Sci
Bus & Motor
SSTL-21, Unknown motor
Mass
65 kg wet, 65 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 3 Pan, 1.0 m
Radar Cross Section
0.684 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 HYDROGNSS-1
1 66762U 25276DA 26239.16254104 .00002819 00000-0 16862-3 0 9990
2 66762 97.4153 309.5882 0011487 158.1440 202.0283 15.11792582 41077Epoch: 2026-08-27T03:54Z
TLE epoch observation values (Epoch: 2026-08-27T03:54:03.545Z)
Latitude
-0.00004°
Longitude
-84.33171°
Altitude
541.172 km
Speed
7.588 km/s
True Right ascension
20h 38m 21s
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
00:21:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
535.643 km
Perigee altitude
519.778 km
Semi-major axis
6,905.847 km
Eccentricity
0.00115
Inclination
97.4153°
RAAN
309.5882°
Arg. of periapsis
158.144°
True anomaly
201.979°
Mean anomaly
202.0283°
Eccentric anomaly
202.00364°
Mean motion
3.78197 °/min
Orbital period
95.19 mins
BSTAR
0.00016862
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Other satellites on launch #276 in the year 2025 (2025-11-28 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.HYDROGNSS-1 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-27 17:10:36.412Z | 31.43° NE | 2026-08-27 17:13:36.412Z | 92.115° ESE | 31.082° | 2026-08-27 17:16:36.412Z | 162.37° S |
| 5 mins | 2026-08-28 05:27:36.412Z | 219.254° SW | 2026-08-28 05:29:36.412Z | 270.102° WNW | 26.057° | 2026-08-28 05:32:36.412Z | 324.173° 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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