Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/01/2021   06:39:57   (  -0.02, -75.25) (   0.64, -78.16)  331.52                80
 11/02/2021   06:18:34   (  -0.02, -75.26) (  -0.36, -73.63)  185.69                80
 11/03/2021   18:40:32   (   0.01, -75.29) (  -0.83, -78.94)  415.79                80
 11/04/2021   18:24:28   (   0.00, -75.31) (   0.17, -74.41)  102.01                80
 11/06/2021   06:46:19   (   0.01, -75.32) (   0.99, -79.69)  497.35                80
 11/07/2021   06:24:55   (   0.01, -75.34) (  -0.01, -75.16)   20.09                80
 11/09/2021   18:30:50   (  -0.01, -75.38) (  -0.16, -75.94)   64.00                80
 11/10/2021   18:09:28   (  -0.00, -75.40) (   0.90, -71.42)  454.00                80
 11/12/2021   06:33:57   (   0.01, -75.43) (   0.32, -76.69)  144.25                80
 11/13/2021   06:12:35   (   0.00, -75.45) (  -0.75, -72.17)  374.14                80