Satellite · NORAD 66762 · COSPAR 2025-276DA
HYDROGNSS-1
- Operator European Space Agency
- Constellation —
- Country —
Altitude now
535.7km
SGP4 propagation
Velocity
7.61km/s
Inclination
97.41°
Period
95.2 min
95.2 min
Perigee
522km
Apogee
539km
orbit freshOrbit updated 8 h ago · element epoch 11 Sept 2026 10:50 UTC (10.0 h old)· Metadata updated 8 h ago
Live position
Ground track & current position
Propagated client-side every 5 s from the latest element set (SGP4). Accuracy degrades with element age.
Loading ground track…
- Latitude
- 80.924° N
- Longitude
- 103.864° W
- Altitude
- 535.7 km
- Velocity
- 7.606 km/s
- past 45 min
- next 90 min
- first fix from server render · element epoch 11 Sept 2026 10:50 UTC
Mission
Mission & classification
Ownership
Operator & country
- Operator
- European Space Agency
- SATCAT owner code
- ESA · European Space Agency
- Country
- —
Launch
Launch
- Launch date
- 28 Nov 2025
- COSPAR launch id
- 2025-276
Objects from the same launch · 40+
- FORMOSAT-8A66666PayloadActive
- PELICAN-566667PayloadActive
- SARI-166668PayloadActive
- SARI-266669PayloadActive
- HUNITY66670PayloadActive
- ANISCSAT-166671PayloadActive
- BRO-1766672PayloadActive
- TRANSPORTER-15 OBJECT H66673PayloadActive
- BRO-2066674PayloadActive
- VEERY-0G66675PayloadActive
- TRANSPORTER-15 OBJECT L66676PayloadActive
- AE5RC66677PayloadActive
Change log
History
| Field | Change | Source | Date |
|---|---|---|---|
| Operator Id | ∅ → org_01M28X1Z8FGK6KD7X9VC78HP14 | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Owner Code | ∅ → ESA | Celestrak Satcat | 11 Sept 2026 18:53 UTC |
| Orbit Class | ∅ → LEO | Celestrak | 11 Sept 2026 18:53 UTC |
Regulatory
UN registration
Transparency
Sources & provenance
CelesTrakcommunity
Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).
last sync 8 h ago
CelesTrak SATCATcommunity
Satellite catalog data courtesy of CelesTrak.
last sync 8 h ago
Field provenance
| Field | Source | Observed | Confidence |
|---|---|---|---|
| Canonical Name | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Decay Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Launch Date | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Object Type | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Orbital Elements | CelesTrak | 11 Sept 2026 18:53 UTC | 100% |
| Owner Code | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
| Status | CelesTrak SATCAT | 11 Sept 2026 18:53 UTC | 100% |
Timeline
Events
No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.
Reference
Identifiers
- NORAD catalogue number
- 66762
- COSPAR / international designator
- 2025-276DA
- SatelliteIndex id
- sat_01M28X2SYTAPCA7YSMB7K7ZEX8
- Canonical slug
- hydrognss-1-66762
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Navigation) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.