Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 4 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2023   22:10:50   (  -0.16,-128.27) (  -0.76,-131.04)  315.90                80
 04/05/2023   21:54:46   (  -0.16,-128.28) (   0.22,-126.50)  202.47                80
 04/07/2023   10:13:55   (   0.16,-128.27) (   0.93,-131.78)  399.57                80
 04/08/2023   09:57:50   (   0.16,-128.28) (  -0.05,-127.24)  118.22                80
 04/09/2023   22:17:09   (  -0.15,-128.33) (  -1.09,-132.55)  480.93                80
 04/10/2023   22:01:04   (  -0.16,-128.34) (  -0.10,-128.01)   36.50                80
 04/13/2023   10:01:29   (   0.16,-128.31) (   0.25,-128.75)   50.10                80
 04/14/2023   09:45:25   (   0.17,-128.31) (  -0.74,-124.21)  466.73                80
 04/15/2023   22:04:42   (  -0.16,-128.35) (  -0.44,-129.52)  133.70                80
 04/16/2023   21:48:38   (  -0.17,-128.35) (   0.61,-124.99)  383.32                80