Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 20.  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)
 06/20/2021   15:09:43   (  22.60, 159.85) 06/20/2021   15:10:55    (  23.19, 157.23)  276.03             72
 06/23/2021   03:31:33   (  22.68, 147.53) 06/23/2021   03:28:03    (  25.62, 144.99)  416.19            210
 06/28/2021   15:59:07   (  22.64, 147.51) 06/28/2021   16:01:45    (  23.27, 144.55)  311.26            158
 07/06/2021   15:09:39   (  22.61, 159.87) 07/06/2021   15:11:08    (  23.23, 157.20)  281.86             89
 07/09/2021   03:31:27   (  22.66, 147.56) 07/09/2021   03:27:58    (  24.60, 145.22)  322.00            209
 07/14/2021   15:59:02   (  22.60, 147.52) 07/14/2021   16:01:58    (  23.29, 144.51)  317.73            176