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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 HYDROGNSS-2
1 66763U 25276DB 26238.20371811 .00002904 00000-0 17361-3 0 9990
2 66763 97.4156 308.5893 0012752 110.9344 249.3253 15.11771364 40926Epoch: 2026-08-26T04:53Z
TLE epoch observation values (Epoch: 2026-08-26T04:53:21.244Z)
Latitude
-0.00001°
Longitude
-99.2093°
Altitude
536.998 km
Speed
7.592 km/s
True Right ascension
20h 34m 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
17:12:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
536.581 km
Perigee altitude
518.969 km
Semi-major axis
6,905.912 km
Eccentricity
0.00128
Inclination
97.4156°
RAAN
308.5893°
Arg. of periapsis
110.9344°
True anomaly
249.18866°
Mean anomaly
249.3253°
Eccentric anomaly
249.25697°
Mean motion
3.78191 °/min
Orbital period
95.19 mins
BSTAR
0.00017361
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-27 04:50:41.957Z | 168.9° S | 2026-08-27 04:53:41.957Z | 277.538° WNW | 44.915° | 2026-08-27 04:56:41.957Z | 346.713° N |
| 7 mins | 2026-08-27 17:58:41.957Z | 359.447° N | 2026-08-27 18:01:41.957Z | 311.599° NW | 35.081° | 2026-08-27 18:05:41.957Z | 211.87° SW |
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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