Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 1 29.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 01/30/2021   03:31:39   (  22.66, 147.52) 01/30/2021   03:28:10    (  27.05, 144.65)  567.66            209
 02/04/2021   15:59:17   (  22.59, 147.48) 02/04/2021   16:01:23    (  23.27, 144.57)  306.86            126
 02/12/2021   15:09:52   (  22.60, 159.84) 02/12/2021   15:10:39    (  23.18, 157.24)  274.21             47
 02/15/2021   03:31:42   (  22.65, 147.52) 02/15/2021   03:28:13    (  27.31, 144.58)  597.44            209
 02/20/2021   15:59:20   (  22.62, 147.48) 02/20/2021   16:01:22    (  23.29, 144.58)  306.88            122