Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 5 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2023   08:13:23   (   0.00,-104.72) (  -0.62,-101.95)  315.57                80
 05/11/2023   20:35:19   (  -0.01,-104.71) (  -0.59,-107.25)  289.27                80
 05/12/2023   20:19:14   (  -0.01,-104.71) (   0.46,-102.73)  227.18                80
 05/14/2023   08:41:00   (   0.01,-104.71) (   0.76,-107.99)  373.65                80
 05/15/2023   08:19:35   (   0.02,-104.71) (  -0.24,-103.45)  142.66                80
 05/16/2023   20:41:31   (  -0.01,-104.71) (  -0.91,-108.77)  462.41                80
 05/17/2023   20:25:26   (  -0.00,-104.71) (   0.08,-104.23)   54.19                80
 05/20/2023   08:28:28   (  -0.01,-104.72) (   0.08,-104.97)   30.03                80
 05/21/2023   08:07:03   (  -0.00,-104.71) (  -0.97,-100.45)  486.36                80
 05/22/2023   20:28:58   (   0.01,-104.71) (  -0.22,-105.75)  118.97                80