Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2023   00:19:51   (   0.14,-166.18) (   0.87,-163.07)  355.68                80
 06/29/2023   12:39:02   (  -0.18,-166.76) (   0.21,-168.37)  184.50                80
 06/30/2023   12:22:59   (  -0.16,-167.13) (  -0.91,-163.86)  372.22                80
 07/02/2023   00:42:18   (   0.20,-167.69) (  -0.14,-169.21)  172.62                80
 07/03/2023   00:26:15   (   0.19,-168.06) (   0.92,-164.69)  383.55                80
 07/04/2023   12:45:26   (  -0.22,-168.61) (   0.09,-170.00)  158.31                80
 07/05/2023   12:29:23   (  -0.20,-168.98) (  -0.97,-165.49)  397.40                80
 07/07/2023   00:48:42   (   0.24,-169.53) (  -0.07,-170.83)  148.65                80
 07/08/2023   00:32:39   (   0.22,-169.89) (   1.00,-166.31)  407.14                80
 07/09/2023   12:51:50   (  -0.25,-170.44) (   0.01,-171.63)  134.98                80
 07/10/2023   12:35:46   (  -0.23,-170.80) (  -1.06,-167.11)  420.41                80