Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2021 3 20.  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)
 03/21/2021   18:16:55   (  49.99, -80.17) 03/21/2021   18:09:58    (  49.74, -81.73)  115.46            417
 03/21/2021   19:55:48   (  49.98,-104.89) 03/21/2021   19:51:26    (  49.63,-107.06)  160.66            262
 03/21/2021   21:30:59   (  36.75,-125.00) 03/21/2021   21:29:05    (  36.26,-127.55)  234.88            114
 03/24/2021   09:24:30   (  20.03,-114.24) 03/24/2021   09:16:10    (  20.09,-114.69)   47.54            500
 03/27/2021   06:30:38   (  45.20, -65.47) 03/27/2021   06:30:17    (  45.51, -67.48)  160.47             21
 03/27/2021   08:08:12   (  49.89, -88.36) 03/27/2021   08:10:22    (  50.40, -90.80)  182.74            130
 03/27/2021   09:47:05   (  49.90,-113.08) 03/27/2021   09:51:50    (  50.51,-116.13)  227.13            285
 03/29/2021   19:06:21   (  49.95, -92.52) 03/29/2021   19:00:38    (  49.63, -94.36)  136.56            343