Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/08/2020   10:14:07   (  -0.09,-127.83) (   0.80,-131.84)  456.39                80
 11/09/2020   09:52:42   (  -0.11,-127.79) (  -0.20,-127.30)   55.87                80
 11/11/2020   21:58:32   (   0.10,-127.71) (   0.01,-128.07)   40.92                80
 11/12/2020   21:37:06   (   0.11,-127.67) (   1.01,-123.53)  470.87                80
 11/14/2020   10:01:32   (  -0.09,-127.59) (   0.20,-128.79)  137.32                80
 11/15/2020   09:40:07   (  -0.10,-127.55) (  -0.81,-124.26)  374.27                80
 11/16/2020   22:04:42   (   0.07,-127.49) (  -0.38,-129.56)  235.45                80
 11/17/2020   21:43:17   (   0.08,-127.44) (   0.62,-125.03)  275.53                80
 11/19/2020   10:07:43   (  -0.06,-127.35) (   0.58,-130.29)  333.96                80
 11/20/2020   09:46:18   (  -0.08,-127.31) (  -0.42,-125.75)  176.96                80