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: 3 days ago
TLE from 3 days ago
0 HYDROGNSS-2
1 66763U 25276DB 26090.44253684 .00004169 00000-0 24720-3 0 9991
2 66763 97.4253 165.1372 0010259 281.9564 78.0517 15.11858869 18602Epoch: 2026-03-31T10:37Z
TLE epoch observation values (Epoch: 2026-03-31T10:37:15.182Z)
Latitude
0.00001°
Longitude
177.00428°
Altitude
532.149 km
Speed
7.598 km/s
True Right ascension
11h 00m 32s
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
06:28:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
534.593 km
Perigee altitude
520.424 km
Semi-major axis
6,905.646 km
Eccentricity
0.00103
Inclination
97.4253°
RAAN
165.1372°
Arg. of periapsis
281.9564°
True anomaly
78.16674°
Mean anomaly
78.0517°
Eccentric anomaly
78.10922°
Mean motion
3.78213 °/min
Orbital period
95.18 mins
BSTAR
0.0002472
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-04-03 03:54:31.421Z | 99.145° ESE | 2026-04-03 03:56:31.421Z | 65.946° ENE | 14.739° | 2026-04-03 03:58:31.421Z | 33.328° NE |
| 5 mins | 2026-04-03 05:28:31.421Z | 208.689° SW | 2026-04-03 05:30:31.421Z | 262.626° W | 30.557° | 2026-04-03 05:33:31.421Z | 326.533° NNW |
| 4 mins | 2026-04-03 17:03:31.421Z | 69.308° E | 2026-04-03 17:04:31.421Z | 92.473° ESE | 21.625° | 2026-04-03 17:07:31.421Z | 147.503° SSE |
| 4 mins | 2026-04-03 18:37:31.421Z | 320.392° NNW | 2026-04-03 18:38:31.421Z | 299.077° NW | 20.776° | 2026-04-03 18:41:31.421Z | 242.073° WSW |
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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