Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 3 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/31/2023   21:48:26   (  -0.16,-128.20) (   0.56,-124.99)  365.05                80
 04/02/2023   10:10:16   (   0.16,-128.20) (   0.60,-130.27)  234.58                80
 04/03/2023   09:48:51   (   0.17,-128.23) (  -0.37,-125.73)  284.68                80
 04/04/2023   22:10:49   (  -0.16,-128.30) (  -0.78,-131.04)  312.26                80
 04/05/2023   21:54:46   (  -0.16,-128.32) (   0.26,-126.51)  206.89                80
 04/07/2023   10:13:54   (   0.16,-128.33) (   0.94,-131.77)  393.24                80
 04/08/2023   09:57:51   (   0.16,-128.34) (  -0.10,-127.25)  125.34                80
 04/09/2023   22:17:08   (  -0.15,-128.40) (  -1.09,-132.55)  473.22                80
 04/10/2023   22:01:05   (  -0.16,-128.41) (  -0.04,-128.03)   45.06                80
 04/13/2023   10:01:29   (   0.16,-128.41) (   0.24,-128.75)   38.85                80