▸Orbital parameters

Orbit class	SSO
Inclination	97.4191°
Eccentricity	0.0009613
Period	95.3 min
Apogee	538 km
Perigee	525 km
Mean motion	15.11557035 rev/day
RAAN	260.0124°
Arg of perigee	287.9567°
Mean anomaly	72.0615°
B*	1.4470e-4
Rev at epoch	3,336

▸Two-line element set (TLE)

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

1 66763U 25276DB 26188.16075279 .00002393 00000-0 14470-3 0 9998

2 66763 97.4191 260.0124 0009613 287.9567 72.0615 15.11557035 33368

▸ source OMM (JSON)

{
  "OBJECT_NAME": "HYDROGNSS-2",
  "OBJECT_ID": "2025-276DB",
  "EPOCH": "2026-07-07T03:51:29.041+00:00",
  "MEAN_MOTION": 15.11557035,
  "ECCENTRICITY": 0.0009613,
  "INCLINATION": 97.4191,
  "RA_OF_ASC_NODE": 260.0124,
  "ARG_OF_PERICENTER": 287.9567,
  "MEAN_ANOMALY": 72.0615,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66763,
  "REV_AT_EPOCH": 3336,
  "BSTAR": 0.0001447,
  "MEAN_MOTION_DOT": 0.00002393,
  "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-2
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/66763

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