Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 3 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/14/2022   10:08:11   (   0.07,-127.94) (   0.63,-130.30)  269.86                80
 03/15/2022   09:46:46   (   0.07,-127.97) (  -0.39,-125.77)  250.07                80
 03/16/2022   22:11:24   (  -0.08,-128.02) (  -0.74,-131.09)  349.35                80
 03/17/2022   21:49:59   (  -0.08,-128.05) (   0.29,-126.56)  170.49                80
 03/19/2022   10:14:26   (   0.08,-128.10) (   0.92,-131.82)  424.54                80
 03/20/2022   09:53:02   (   0.08,-128.13) (  -0.10,-127.29)   94.78                80
 03/22/2022   21:56:14   (  -0.08,-128.19) (  -0.05,-128.07)   13.12                80
 03/25/2022   10:01:57   (   0.09,-128.24) (   0.23,-128.81)   64.85                80
 03/26/2022   09:40:32   (   0.09,-128.26) (  -0.80,-124.28)  453.44                80