Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2023   20:18:42   (   0.01,-104.71) (   0.48,-102.73)  227.33                80
 07/01/2023   08:40:31   (  -0.01,-104.71) (   0.71,-108.00)  374.32                80
 07/02/2023   08:19:06   (  -0.01,-104.70) (  -0.29,-103.47)  140.06                80
 07/03/2023   20:41:02   (   0.01,-104.66) (  -0.93,-108.77)  469.29                80
 07/04/2023   20:24:59   (   0.01,-104.65) (   0.13,-104.26)   45.44                80
 07/07/2023   08:28:03   (  -0.01,-104.64) (   0.05,-105.00)   41.32                80
 07/08/2023   08:06:38   (  -0.01,-104.62) (  -0.95,-100.47)  473.51                80
 07/09/2023   20:28:35   (   0.00,-104.59) (  -0.26,-105.78)  135.31                80
 07/10/2023   20:12:30   (   0.01,-104.58) (   0.75,-101.25)  379.82                80
 07/12/2023   08:34:18   (  -0.02,-104.59) (   0.43,-106.52)  220.72                80