▸Orbital parameters

Orbit class	SSO
Inclination	97.4191°
Eccentricity	0.0010352
Period	95.3 min
Apogee	539 km
Perigee	524 km
Mean motion	15.11579938 rev/day
RAAN	259.9182°
Arg of perigee	351.2730°
Mean anomaly	8.8319°
B*	1.3233e-4
Rev at epoch	3,334

▸Two-line element set (TLE)

EPOCH Jul 6, 2026SOURCE CelesTrakDERIVED currentUPDATED Jul 7, 2026

1 66762U 25276DA 26187.99500758 .00002185 00000-0 13233-3 0 9997

2 66762 97.4191 259.9182 0010352 351.2730 8.8319 15.11579938 33349

▸ source OMM (JSON)

{
  "OBJECT_NAME": "HYDROGNSS-1",
  "OBJECT_ID": "2025-276DA",
  "EPOCH": "2026-07-06T23:52:48.655+00:00",
  "MEAN_MOTION": 15.11579938,
  "ECCENTRICITY": 0.0010352,
  "INCLINATION": 97.4191,
  "RA_OF_ASC_NODE": 259.9182,
  "ARG_OF_PERICENTER": 351.273,
  "MEAN_ANOMALY": 8.8319,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66762,
  "REV_AT_EPOCH": 3334,
  "BSTAR": 0.00013233,
  "MEAN_MOTION_DOT": 0.00002185,
  "MEAN_MOTION_DDOT": 0
}

Reconstructed from CelesTrak OMM mean-elements (element-set number is a placeholder). TLE/OMM data is approximate. Not for operational use or collision avoidance.

▸Satellite metadata

Name	HYDROGNSS-1
Operator	European Space AgencyHIGHvia GCAT — Jonathan McDowell's General Catalog
Country	ESA
Launch date	Nov 28, 2025HIGHvia GCAT — Jonathan McDowell's General Catalog
Launch mass (kg)	65HIGHvia GCAT — Jonathan McDowell's General Catalog
Mission purpose	—
Object class	PAYLOADHIGH

▸Data quality

Score85 / 100

Claims7

Sources1

TLEavailable

▸Sources

GCAT — Jonathan McDowell's General CatalogCC BY 4.0planet4589.org

▸Actions

GET /api/v1/satellites/66762

//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Jul 7, 2026.