Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 1 21.  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)
 01/22/2021   06:30:14   (  46.13, -65.10) 01/22/2021   06:30:10    (  46.45, -67.14)  160.49              4
 01/22/2021   08:08:03   (  49.93, -88.32) 01/22/2021   08:10:31    (  50.42, -90.83)  186.71            148
 01/22/2021   09:46:56   (  49.94,-113.04) 01/22/2021   09:51:59    (  50.53,-116.15)  231.13            303
 01/24/2021   19:06:12   (  49.95, -92.52) 01/24/2021   19:00:48    (  49.62, -94.38)  138.44            324
 01/24/2021   20:45:05   (  49.95,-117.24) 01/24/2021   20:42:16    (  49.51,-119.70)  183.77            169
 01/27/2021   10:11:57   (  26.61,-124.99) 01/27/2021   10:05:26    (  25.78,-125.97)  134.64            391
 01/30/2021   07:18:33   (  49.93, -75.94) 01/30/2021   07:19:47    (  50.35, -78.17)  166.08             74
 01/30/2021   08:57:26   (  49.93,-100.66) 01/30/2021   09:01:14    (  50.52,-103.47)  210.56            228