Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 4 10.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 04/12/2021   06:30:39   (  44.93, -65.56) 04/12/2021   06:30:14    (  45.29, -67.53)  159.04             25
 04/12/2021   08:08:08   (  49.93, -88.35) 04/12/2021   08:10:15    (  50.41, -90.76)  180.35            127
 04/12/2021   09:47:01   (  49.93,-113.07) 04/12/2021   09:51:43    (  50.52,-116.09)  224.75            282
 04/14/2021   19:06:17   (  49.95, -92.52) 04/14/2021   19:00:31    (  49.63, -94.33)  134.45            346
 04/14/2021   20:45:10   (  49.95,-117.24) 04/14/2021   20:41:59    (  49.52,-119.65)  179.75            191