Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 3 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/19/2023   20:29:11   (  -0.02,-104.76) (  -0.27,-105.77)  115.71                80
 03/20/2023   20:13:09   (  -0.01,-104.76) (   0.80,-101.25)  400.50                80
 03/22/2023   08:34:58   (   0.01,-104.74) (   0.41,-106.51)  201.74                80
 03/23/2023   08:13:35   (   0.01,-104.74) (  -0.60,-101.98)  314.42                80
 03/24/2023   20:35:33   (  -0.01,-104.76) (  -0.58,-107.29)  288.43                80
 03/25/2023   20:19:30   (  -0.02,-104.76) (   0.43,-102.76)  228.25                80
 03/27/2023   08:41:19   (  -0.00,-104.75) (   0.76,-108.03)  374.10                80
 03/28/2023   08:19:55   (   0.00,-104.75) (  -0.26,-103.50)  142.11                80
 03/29/2023   20:41:54   (   0.00,-104.76) (  -0.91,-108.81)  461.34                80
 03/30/2023   20:25:50   (  -0.00,-104.76) (   0.11,-104.28)   55.24                80