Dragonette-1

Dragonette-1 is Wyvern's hyperspectral imaging satellite. It collects 23 spectral bands between 503 and 799 nm at 5.3m resolution at nadir, across a 20km swath. Those 23 bands resolve narrow spectral features that 4-band multispectral sensors cannot separate.

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Technical specifications

Provider Wyvern

Resolution

Panchromatic: -

Multispectral: 5.3m GSD

Swath width 20km at nadir

Accuracy 25m to 100m CE90 (location dependent)

Bands

band1: 503 nm (20.1 nm FWHM)

band2: 510 nm (20.4 nm FWHM)

band3: 519 nm (20.8 nm FWHM)

band4: 535 nm (21.4 nm FWHM)

band5: 549 nm (22.0 nm FWHM)

band6: 570 nm (22.8 nm FWHM)

band7: 584 nm (23.4 nm FWHM)

band8: 600 nm (24.0 nm FWHM)

band9: 614 nm (24.6 nm FWHM)

band10: 635 nm (25.4 nm FWHM)

band11: 649 nm (26.0 nm FWHM)

band12: 660 nm (26.4 nm FWHM)

band13: 669 nm (26.8 nm FWHM)

band14: 679 nm (27.2 nm FWHM)

band15: 690 nm (27.6 nm FWHM)

band16: 699 nm (28.0 nm FWHM)

band17: 711 nm (28.4 nm FWHM)

band18: 722 nm (28.9 nm FWHM)

band19: 734 nm (29.4 nm FWHM)

band20: 750 nm (30.0 nm FWHM)

band21: 764 nm (30.6 nm FWHM)

band22: 782 nm (31.3 nm FWHM)

band23: 799 nm (32.0 nm FWHM)

Stereo available No

Coverage 2.1 days revisit at equator, 1.0 days at 60° latitude

Altitude 500 km

Dynamic Range 12 bits

Orbit Type Sun-synchronous

What you can do with Dragonette-1

Detail at 5.3m GSD

At 5.3m GSD, pattern at field, stand and catchment scale is what reads, rather than individual objects.

Material discrimination

23 narrow bands across 503 to 799 nm, each with its own stated width, keep the spectral shape that a four-band sensor averages into a single number. That shape is what separates surfaces sharing the same true colour: crop varieties, water condition, surface materials.

One satellite collecting

Collection rests on a single spacecraft, so opportunities arrive on its orbit rather than on demand. As stated by the supplier: 2.1 days revisit at equator, 1.0 days at 60° latitude. That is the cadence to plan against; a cloud-free result usually takes more than one opportunity.

Dynamic range

Quantised at 12 bits. The extra levels are what hold detail at both ends of a high-contrast scene, where bright surfaces and shadow would otherwise clip together.