HYDROGNSS-2, 66763
Orbit data source: Space-Track
HYDROGNSS-2, 66763 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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66763 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, 0.8 m
Radar Cross Section
0.684 m²
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 HYDROGNSS-2
1 66763U 25276DB 26141.15858212 .00002198 00000-0 13349-3 0 9999
2 66763 97.4203 214.3767 0013489 91.4209 268.8567 15.11445637 26260Epoch: 2026-05-21T03:48Z
TLE epoch observation values (Epoch: 2026-05-21T03:48:21.495Z)
Latitude
0.00002°
Longitude
-81.52066°
Altitude
535.067 km
Speed
7.595 km/s
True Right ascension
14h 17m 30s
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
01:45:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
538.085 km
Perigee altitude
519.452 km
Semi-major axis
6,906.905 km
Eccentricity
0.00135
Inclination
97.4203°
RAAN
214.3767°
Arg. of periapsis
91.4209°
True anomaly
268.70216°
Mean anomaly
268.8567°
Eccentric anomaly
268.77943°
Mean motion
3.7811 °/min
Orbital period
95.21 mins
BSTAR
0.00013349
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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-2 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-21 17:05:36.985Z | 42.576° NE | 2026-05-21 17:08:36.985Z | 107.236° ESE | 24.306° | 2026-05-21 17:10:36.985Z | 147.238° SSE |
| 6 mins | 2026-05-22 05:21:36.985Z | 199.127° SSW | 2026-05-22 05:23:36.985Z | 242.046° WSW | 31.52° | 2026-05-22 05:27:36.985Z | 332.158° 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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