Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 3 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2023   08:07:13   (   0.02,-104.73) (  -0.92,-100.46)  486.78                80
 03/19/2023   20:29:11   (  -0.02,-104.74) (  -0.27,-105.76)  117.25                80
 03/20/2023   20:13:09   (  -0.01,-104.74) (   0.79,-101.25)  398.32                80
 03/22/2023   08:34:58   (   0.01,-104.71) (   0.41,-106.51)  205.06                80
 03/23/2023   08:13:35   (   0.01,-104.71) (  -0.59,-101.98)  310.44                80
 03/24/2023   20:35:33   (  -0.01,-104.72) (  -0.58,-107.29)  293.34                80
 03/25/2023   20:19:29   (  -0.01,-104.71) (   0.43,-102.76)  222.42                80
 03/27/2023   08:41:19   (  -0.01,-104.69) (   0.76,-108.03)  380.72                80
 03/28/2023   08:19:55   (  -0.00,-104.68) (  -0.26,-103.50)  134.84                80
 03/29/2023   20:41:54   (   0.00,-104.69) (  -0.91,-108.81)  469.48                80
 03/30/2023   20:25:50   (  -0.00,-104.68) (   0.11,-104.28)   46.55                80