Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2023   20:12:37   (   0.00,-104.71) (   0.78,-101.19)  400.16                80
 06/10/2023   08:34:24   (  -0.01,-104.72) (   0.40,-106.46)  199.37                80
 06/11/2023   08:12:58   (  -0.01,-104.72) (  -0.63,-101.93)  317.28                80
 06/12/2023   20:34:52   (   0.01,-104.71) (  -0.58,-107.23)  287.36                80
 06/13/2023   20:18:47   (   0.01,-104.72) (   0.45,-102.70)  229.83                80
 06/15/2023   08:40:33   (  -0.01,-104.73) (   0.72,-107.97)  368.61                80
 06/16/2023   08:19:08   (  -0.01,-104.73) (  -0.32,-103.44)  148.10                80
 06/17/2023   20:41:02   (   0.01,-104.72) (  -0.88,-108.74)  457.34                80
 06/18/2023   20:24:56   (   0.01,-104.73) (   0.10,-104.20)   59.76                80
 06/21/2023   08:27:56   (  -0.02,-104.75) (   0.03,-104.94)   21.50                80