Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 4 12.  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   (  44.98, -65.55) 04/12/2021   06:30:14    (  45.34, -67.51)  158.82             25
 04/12/2021   08:08:09   (  49.91, -88.35) 04/12/2021   08:10:16    (  50.40, -90.77)  180.41            127
 04/12/2021   09:47:02   (  49.92,-113.07) 04/12/2021   09:51:44    (  50.51,-116.09)  224.82            282
 04/14/2021   19:06:17   (  49.96, -92.53) 04/14/2021   19:00:31    (  49.64, -94.33)  134.42            346
 04/14/2021   20:45:10   (  49.96,-117.25) 04/14/2021   20:41:59    (  49.53,-119.66)  179.71            191
 04/20/2021   07:18:39   (  49.93, -75.98) 04/20/2021   07:19:28    (  50.35, -78.09)  157.27             49
 04/20/2021   08:57:32   (  49.93,-100.70) 04/20/2021   09:00:56    (  50.45,-103.41)  201.74            204