Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2023   20:18:46   (  -0.00,-104.71) (   0.42,-102.69)  229.38                80
 06/15/2023   08:40:34   (  -0.02,-104.72) (   0.69,-107.97)  370.43                80
 06/16/2023   08:19:07   (  -0.02,-104.72) (  -0.28,-103.43)  146.08                80
 06/17/2023   20:41:02   (   0.02,-104.71) (  -0.85,-108.74)  459.23                80
 06/18/2023   20:24:56   (   0.01,-104.71) (   0.12,-104.20)   57.71                80
 06/21/2023   08:27:56   (  -0.00,-104.72) (   0.06,-104.93)   24.26                80
 06/22/2023   08:06:30   (   0.00,-104.72) (  -0.97,-100.40)  492.71                80
 06/23/2023   20:28:25   (  -0.01,-104.71) (  -0.21,-105.70)  112.27                80
 06/24/2023   20:12:18   (  -0.01,-104.72) (   0.77,-101.16)  405.09                80
 06/26/2023   08:34:05   (   0.01,-104.74) (   0.39,-106.43)  192.94                80