Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2023   08:27:30   (  -0.02,-104.71) (   0.05,-105.06)   39.73                80
 09/26/2023   08:06:03   (  -0.02,-104.70) (  -0.93,-100.52)  476.99                80
 09/27/2023   20:27:58   (   0.01,-104.68) (  -0.25,-105.81)  129.61                80
 09/28/2023   20:11:52   (   0.01,-104.68) (   0.79,-101.29)  387.71                80
 09/30/2023   08:33:37   (  -0.01,-104.72) (   0.41,-106.54)  208.49                80
 10/01/2023   08:12:12   (  -0.01,-104.72) (  -0.64,-102.02)  308.60                80
 10/02/2023   20:34:05   (   0.01,-104.69) (  -0.59,-107.31)  298.38                80
 10/03/2023   20:18:00   (   0.01,-104.70) (   0.46,-102.78)  219.02                80
 10/05/2023   08:39:45   (   0.00,-104.73) (   0.73,-108.04)  376.70                80
 10/06/2023   08:18:19   (  -0.00,-104.73) (  -0.27,-103.50)  140.22                80
 10/07/2023   20:40:12   (   0.00,-104.70) (  -0.94,-108.79)  466.86                80
 10/08/2023   20:24:06   (   0.00,-104.70) (   0.13,-104.27)   50.52                80