Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 10 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)
 10/18/2023   20:33:56   (   0.00,-104.68) (  -0.58,-107.30)  298.43                80
 10/19/2023   20:17:52   (  -0.00,-104.67) (   0.40,-102.76)  217.04                80
 10/21/2023   08:39:41   (   0.00,-104.69) (   0.75,-108.05)  382.40                80
 10/22/2023   08:18:17   (   0.00,-104.68) (  -0.23,-103.51)  132.80                80
 10/23/2023   20:40:14   (   0.00,-104.65) (  -0.94,-108.83)  476.47                80
 10/24/2023   20:24:10   (   0.00,-104.64) (   0.06,-104.29)   39.24                80
 10/27/2023   08:27:14   (   0.00,-104.66) (   0.09,-105.05)   43.62                80
 10/28/2023   08:05:50   (   0.00,-104.66) (  -0.91,-100.52)  472.06                80
 10/29/2023   20:27:46   (  -0.01,-104.62) (  -0.30,-105.82)  136.65                80
 10/30/2023   20:11:42   (  -0.02,-104.62) (   0.71,-101.29)  379.34                80
 11/01/2023   08:33:30   (   0.02,-104.65) (   0.47,-106.56)  218.82                80