Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2023   20:34:53   (   0.01,-104.71) (  -0.54,-107.24)  287.99                80
 06/13/2023   20:18:47   (   0.02,-104.71) (   0.49,-102.71)  228.88                80
 06/15/2023   08:40:34   (  -0.02,-104.72) (   0.68,-107.98)  370.24                80
 06/16/2023   08:19:07   (  -0.02,-104.72) (  -0.29,-103.43)  146.34                80
 06/17/2023   20:41:02   (   0.02,-104.71) (  -0.90,-108.73)  459.04                80
 06/18/2023   20:24:56   (   0.02,-104.71) (   0.13,-104.20)   57.94                80
 06/21/2023   08:27:56   (  -0.01,-104.73) (   0.05,-104.93)   23.68                80
 06/22/2023   08:06:30   (  -0.00,-104.73) (  -0.98,-100.40)  493.30                80
 06/23/2023   20:28:25   (  -0.00,-104.72) (  -0.20,-105.70)  111.76                80
 06/24/2023   20:12:18   (  -0.01,-104.72) (   0.78,-101.16)  405.68                80