Key statistics
Satellite SENTINEL-1D at a glance.
Uptime
28
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for SENTINEL-1D.
Object identification
Identified? True
Debris? False
Object name: SENTINEL-1D
International designator: 2025-251A
Object number (NORAD): 66315
Object ID (CCSDS): 66315
Country: EUROPEAN SPACE AGENCY (ESA)
Current information (Y/N): Y
Orbital parameters
Period: 98.636 minutes
Inclination: 98.1925 deg
SMA: 7071.604 km
Apoapsis: 695.265 km
Periapsis: 691.673 km
RAAN: 340.9287 deg
Eccentricy: 0.000254
Argument of periapsis: 157.3618 deg
Mean anomaly: 202.7695 deg
Mean motion: 14.59909281 rev/day
Mean motion (dot): 0.00000242 rev/day2
B* drag term: 0.000060223 1/REarth
Two-line elements (TLE)
Creation date: Dec. 1, 2025, 11:16 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 1, 2025, 6:06 p.m. UTC
TLE line 0: 0 SENTINEL-1D
TLE line 1: 1 66315U 25251A 25335.75418414 .00000242 00000-0 60223-4 0 9993
TLE line 2: 2 66315 98.1925 340.9287 0002540 157.3618 202.7695 14.59909281 3936
Live tracking on map
Real-time ground track for satellite SENTINEL-1D.
In-orbit conjunctions
There are no conjunctions computed for SENTINEL-1D, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Sentinel-1D carries an advanced radar technology to provide an all-weather, day-and-night supply of imagery of Earth’s surface as part of the Sentinel-1 constellation.
SENTINEL-1D was lifted into orbit during the mission ‘Ariane 62 | Sentinel-1D’, on board a Ariane 62 space rocket.
The launch took place on Nov. 4, 2025, 9:02 p.m. from Ariane Launch Area 4.
For more information about the launch, click the button.
Ariane 62 | Sentinel-1D
Agency: European Space Agency
Status: Launch Successful
Launch date: Nov. 4, 2025, 9:02 p.m. UTC
Rocket: Ariane 62
Launch pad: Ariane Launch Area 4
Location: Guiana Space Centre, French Guiana
...
Latest news about this satellite
Sentinel-1D delivers first images: from Antarctica to Bremen
The first high-resolution images have been received from Copernicus Sentinel-1D and were shared publicly for the first time at the European Space Agency’s Ministerial Council, held today in Bremen, Germany. Glaciers in Antarctica, the tip of South America...
Copernicus Sentinel-1D journey to space
The Copernicus Sentinel-1D satellite has joined the Sentinel-1 mission in orbit. Launch took place on 4 November 2025 at 22:02 CET (18:02 local time) on board an Ariane 6 launcher from Europe’s Spaceport in French Guiana.
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