Sub-daily Revisit Frequency for Optical and Radar Imagery

Looking for Sub-daily Optical and Radar Imagery?
Satellite Revisit Frequency Spatial Resolution GSD (m) Swath of Scene (km)
Aleph-1 4x Daily 0.99 / 0.70 5.0
SkySat 12x Daily 1.00 6.60
DailyVision@1m 4x Daily 3.92 / 4.24 18.5 / 17.0
Capella X-SAR [radar] 48x Daily by 2022 0.50 multiswath
NightVision & Video Constellation 3x Daily 0.92 (night) / 1.21 (color video) 19.0