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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Edit Public Description
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: 5 hours ago
TLE from 5 hours ago
0 HYDROGNSS-1
1 66762U 25276DA 26035.15129566 .00006003 00000-0 30057-3 0 9997
2 66762 97.4340 110.9615 0003870 107.6110 252.5547 15.17751437 10229Epoch: 2026-02-04T03:37Z
TLE epoch observation values (Epoch: 2026-02-04T03:37:51.945Z)
Latitude
0.00003°
Longitude
-77.82693°
Altitude
516.525 km
Speed
7.605 km/s
True Right ascension
07h 23m 50s
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
10:13:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
512.274 km
Perigee altitude
506.943 km
Semi-major axis
6,887.745 km
Eccentricity
0.00039
Inclination
97.434°
RAAN
110.9615°
Arg. of periapsis
107.611°
True anomaly
252.5124°
Mean anomaly
252.5547°
Eccentric anomaly
252.53355°
Mean motion
3.79689 °/min
Orbital period
94.81 mins
BSTAR
0.00030057
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-02-04 16:52:24.759Z | 56.186° ENE | 2026-02-04 16:54:24.759Z | 90.572° ESE | 15.71° | 2026-02-04 16:56:24.759Z | 126.793° SE |
| 5 mins | 2026-02-04 18:26:24.759Z | 339.161° N | 2026-02-04 18:28:24.759Z | 294.265° NW | 26.024° | 2026-02-04 18:31:24.759Z | 230.747° WSW |
| 5 mins | 2026-02-05 05:05:24.759Z | 175.609° S | 2026-02-05 05:07:24.759Z | 259.834° W | 44.194° | 2026-02-05 05:10:24.759Z | 343.828° N |
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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