Determining if Sentinel-1 orbit is ascending or descending from absolute orbit number?

What is the absolute orbit number of Sentinel-1?

Sentinel-1A Relative Orbit Number = mod (Absolute Orbit Number orbit – 73, 175) + 1.
 

What is the difference between ascending and descending orbit?

Ascending and descending orbits



All SAR satellites travel from the north pole towards the south pole for half of their trajectory. This direction is referred to as their descending orbit. Conversely, when satellites travel from the south towards the north pole, it is said to be in an ascending orbit.

What is the position of Sentinel-1 satellite?

Near-polar (98.18°) Sun-synchronous orbit. 693 km (431 mi) altitude.

What is the relative orbit number of Sentinel?

Sentinel-1 circles the Earth in a near-polar, sun-synchronous orbit with a 12 day repeat cycle that defines 175 relative orbits (Torres et al., 2012).

What is VV and VH in Sentinel-1?

VV is a mode that transmits vertical waves and receives vertical waves to create the SAR image. VH is a mode that transmits vertical waves and receives horizontal waves to create the SAR image.
 

How many bands does Sentinel-1 have?

single C-band

SENTINEL-1 carries a single C-band synthetic aperture radar instrument operating at a centre frequency of 5.405 GHz.

How do you determine ascending and descending orders?

Answer: In general terms, Ascending means smallest to largest, 0 to 9, and/or A to Z and Descending means largest to smallest, 9 to 0, and/or Z to A.

What is the rule of ascending and descending order?

Ascending order means going up from small value to high value and text from A to Z. Descending order means arranging the numbers from largest to smallest and text from Z to A.
 

What is the difference between ascending and descending?

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How many satellites does Sentinel-2 have?

two

The Copernicus Sentinel-2 mission comprises a constellation of two polar-orbiting satellites placed in the same sun-synchronous orbit, phased at 180° to each other.

What orbit is SSO?

polar orbit

Sun-synchronous orbit (SSO) is a particular kind of polar orbit. Satellites in SSO, travelling over the polar regions, are synchronous with the Sun. This means they are synchronised to always be in the same ‘fixed’ position relative to the Sun.

How many Sentinel-3 satellites are there?

SENTINEL-3 is an ocean and land mission composed of three versatile satellites (SENTINEL-3A, SENTINEL-3B and SENTINEL-3C). The mission provides data continuity for the ERS, ENVISAT and SPOT satellites.