Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/14/2020   10:01:32   (  -0.09,-127.60) (   0.21,-128.79)  135.78                80
 11/15/2020   09:40:08   (  -0.10,-127.56) (  -0.85,-124.27)  376.17                80
 11/16/2020   22:04:42   (   0.07,-127.51) (  -0.40,-129.56)  232.87                80
 11/17/2020   21:43:17   (   0.09,-127.47) (   0.61,-125.02)  278.40                80
 11/19/2020   10:07:43   (  -0.06,-127.38) (   0.60,-130.28)  330.83                80
 11/20/2020   09:46:17   (  -0.08,-127.34) (  -0.40,-125.75)  180.44                80
 11/21/2020   22:10:53   (   0.05,-127.28) (  -0.79,-131.05)  428.82                80
 11/22/2020   21:49:27   (   0.07,-127.24) (   0.22,-126.51)   82.21                80
 11/25/2020   09:55:08   (  -0.05,-127.10) (  -0.02,-127.24)   16.20                80
 11/26/2020   09:33:43   (  -0.07,-127.05) (  -1.02,-122.71)  494.87                80