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,-131.83)  456.35                80
 11/09/2020   09:52:42   (  -0.11,-127.79) (  -0.20,-127.30)   55.99                80
 11/11/2020   21:58:31   (   0.10,-127.71) (   0.01,-128.07)   40.61                80
 11/12/2020   21:37:07   (   0.11,-127.67) (   1.07,-123.54)  471.27                80
 11/14/2020   10:01:32   (  -0.09,-127.59) (   0.20,-128.79)  136.96                80
 11/15/2020   09:40:08   (  -0.10,-127.55) (  -0.86,-124.27)  374.69                80
 11/16/2020   22:04:42   (   0.07,-127.50) (  -0.39,-129.56)  234.84                80
 11/17/2020   21:43:17   (   0.08,-127.45) (   0.62,-125.02)  276.19                80
 11/19/2020   10:07:43   (  -0.06,-127.36) (   0.59,-130.29)  333.32                80
 11/20/2020   09:46:17   (  -0.08,-127.31) (  -0.41,-125.75)  177.65                80