Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 4 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2023   20:42:04   (  -0.00,-104.73) (  -0.91,-108.81)  464.62                80
 04/15/2023   20:25:58   (  -0.00,-104.73) (   0.10,-104.27)   51.90                80
 04/18/2023   08:28:59   (   0.00,-104.72) (   0.05,-105.01)   32.73                80
 04/19/2023   08:07:34   (   0.00,-104.72) (  -0.97,-100.48)  483.83                80
 04/20/2023   20:29:28   (  -0.00,-104.73) (  -0.26,-105.77)  119.54                80
 04/21/2023   20:13:23   (  -0.00,-104.74) (   0.76,-101.24)  397.34                80
 04/23/2023   08:35:09   (   0.00,-104.73) (   0.40,-106.52)  203.34                80
 04/24/2023   08:13:43   (   0.01,-104.73) (  -0.63,-101.99)  313.31                80
 04/25/2023   20:35:38   (  -0.02,-104.73) (  -0.59,-107.28)  290.37                80
 04/26/2023   20:19:32   (  -0.02,-104.74) (   0.45,-102.75)  226.53                80