Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2023   20:28:29   (   0.01,-104.71) (  -0.21,-105.71)  114.19                80
 06/24/2023   20:12:24   (   0.00,-104.71) (   0.78,-101.18)  402.16                80
 06/26/2023   08:34:13   (   0.00,-104.73) (   0.41,-106.46)  197.56                80
 06/27/2023   08:12:49   (  -0.00,-104.73) (  -0.64,-101.94)  318.36                80
 06/28/2023   20:34:45   (   0.01,-104.72) (  -0.58,-107.24)  288.22                80
 06/29/2023   20:18:42   (   0.01,-104.72) (   0.48,-102.73)  227.87                80
 07/01/2023   08:40:30   (  -0.01,-104.73) (   0.70,-108.00)  371.93                80
 07/02/2023   08:19:06   (  -0.00,-104.73) (  -0.30,-103.47)  143.64                80
 07/03/2023   20:41:02   (   0.00,-104.70) (  -0.90,-108.78)  464.07                80
 07/04/2023   20:24:58   (   0.00,-104.70) (   0.11,-104.25)   51.68                80