Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 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)
 04/08/2023   08:13:50   (   0.00,-104.74) (  -0.62,-101.99)  313.42                80
 04/09/2023   20:35:47   (   0.00,-104.74) (  -0.58,-107.29)  290.48                80
 04/10/2023   20:19:44   (   0.00,-104.74) (   0.46,-102.76)  225.57                80
 04/12/2023   08:41:32   (  -0.00,-104.73) (   0.74,-108.03)  376.24                80
 04/13/2023   08:20:08   (  -0.00,-104.72) (  -0.25,-103.49)  139.40                80
 04/14/2023   20:42:05   (  -0.00,-104.71) (  -0.94,-108.79)  465.27                80
 04/15/2023   20:26:02   (  -0.00,-104.71) (   0.11,-104.27)   50.89                80
 04/18/2023   08:29:05   (  -0.00,-104.70) (   0.08,-104.99)   33.77                80
 04/19/2023   08:07:42   (  -0.00,-104.70) (  -0.97,-100.47)  482.41                80
 04/20/2023   20:29:39   (   0.01,-104.70) (  -0.21,-105.77)  121.90                80
 04/21/2023   20:13:35   (   0.01,-104.70) (   0.79,-101.24)  394.45                80