Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2022   09:55:08   (   0.01,-128.22) (  -0.21,-127.16)  120.06                80
 06/09/2022   22:14:27   (   0.02,-128.25) (  -0.92,-132.48)  482.84                80
 06/10/2022   21:58:23   (   0.01,-128.27) (   0.08,-127.96)   35.68                80
 06/13/2022   09:58:50   (  -0.02,-128.32) (   0.06,-128.71)   44.82                80
 06/14/2022   09:42:47   (  -0.01,-128.33) (  -0.95,-124.19)  472.64                80
 06/15/2022   22:02:05   (   0.04,-128.34) (  -0.23,-129.50)  132.41                80
 06/16/2022   21:46:02   (   0.03,-128.35) (   0.77,-124.97)  385.06                80
 06/18/2022   10:05:12   (  -0.06,-128.38) (   0.37,-130.26)  214.22                80
 06/19/2022   09:49:08   (  -0.04,-128.39) (  -0.64,-125.73)  303.05                80
 06/20/2022   22:08:27   (   0.07,-128.39) (  -0.53,-131.04)  302.57                80
 06/21/2022   21:52:23   (   0.05,-128.40) (   0.48,-126.51)  214.92                80