Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 9 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/02/2020   22:11:17   (   0.08,-127.81) (  -0.67,-131.09)  374.15                80
 09/03/2020   21:49:54   (   0.08,-127.84) (   0.39,-126.57)  146.05                80
 09/05/2020   10:11:42   (  -0.08,-127.95) (   0.78,-131.84)  442.59                80
 09/06/2020   09:55:38   (  -0.08,-127.99) (  -0.22,-127.30)   77.42                80
 09/08/2020   21:58:50   (   0.08,-128.00) (   0.06,-128.08)    9.00                80
 09/11/2020   09:59:15   (  -0.09,-128.13) (   0.06,-128.83)   79.94                80
 09/12/2020   09:43:11   (  -0.09,-128.15) (  -0.95,-124.30)  438.93                80
 09/13/2020   22:05:08   (   0.10,-128.13) (  -0.21,-129.61)  168.35                80
 09/14/2020   21:43:44   (   0.10,-128.15) (   0.80,-125.07)  350.11                80
 09/16/2020   10:05:32   (  -0.11,-128.23) (   0.38,-130.34)  241.41                80