Dragonette-2/3

Dragonette-2 and -3 carry 31 spectral bands across 445-869 nm, up from Dragonette-1's 23 bands over 503-799 nm, at the same 5.3m resolution and 20km swath.

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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: 445 nm (15.6 nm FWHM)

band2: 464 nm (16.2 nm FWHM)

band3: 480 nm (16.8 nm FWHM)

band4: 490 nm (17.2 nm FWHM)

band5: 503 nm (17.6 nm FWHM)

band6: 510 nm (17.9 nm FWHM)

band7: 519 nm (18.2 nm FWHM)

band8: 534 nm (18.7 nm FWHM)

band9: 550 nm (19.3 nm FWHM)

band10: 569 nm (19.9 nm FWHM)

band11: 585 nm (20.5 nm FWHM)

band12: 600 nm (21.0 nm FWHM)

band13: 614 nm (21.5 nm FWHM)

band14: 634 nm (22.2 nm FWHM)

band15: 650 nm (22.8 nm FWHM)

band16: 659 nm (23.1 nm FWHM)

band17: 669 nm (23.4 nm FWHM)

band18: 679 nm (23.8 nm FWHM)

band19: 689 nm (24.1 nm FWHM)

band20: 700 nm (24.5 nm FWHM)

band21: 712 nm (24.9 nm FWHM)

band22: 722 nm (25.3 nm FWHM)

band23: 734 nm (25.7 nm FWHM)

band24: 749 nm (26.2 nm FWHM)

band25: 764 nm (26.7 nm FWHM)

band26: 781 nm (27.3 nm FWHM)

band27: 799 nm (28.0 nm FWHM)

band28: 814 nm (28.5 nm FWHM)

band29: 832 nm (29.1 nm FWHM)

band30: 849 nm (29.7 nm FWHM)

band31: 869 nm (30.4 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-2/3

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

31 narrow bands across 445 to 869 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.

2 satellites collecting

2 satellites fly this specification, so there are more chances of a usable pass inside a tasking window and a deeper archive to search before anything is tasked. 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.