Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/09/2022   22:14:26   (   0.02,-128.25) (  -0.95,-132.48)  482.68                80
 06/10/2022   21:58:23   (   0.01,-128.27) (   0.05,-127.95)   36.01                80
 06/13/2022   09:58:50   (  -0.02,-128.32) (   0.09,-128.71)   44.58                80
 06/14/2022   09:42:46   (  -0.01,-128.33) (  -0.92,-124.18)  473.01                80
 06/15/2022   22:02:06   (   0.04,-128.34) (  -0.21,-129.50)  131.90                80
 06/16/2022   21:46:02   (   0.03,-128.36) (   0.80,-124.98)  385.63                80
 06/18/2022   10:05:12   (  -0.06,-128.38) (   0.34,-130.26)  213.63                80
 06/19/2022   09:49:08   (  -0.04,-128.39) (  -0.61,-125.72)  303.71                80
 06/20/2022   22:08:27   (   0.07,-128.40) (  -0.51,-131.05)  301.79                80
 06/21/2022   21:52:24   (   0.05,-128.41) (   0.50,-126.52)  215.78                80