Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2020   21:37:06   (   0.11,-127.68) (   1.02,-123.53)  472.13                80
 11/14/2020   10:01:32   (  -0.09,-127.60) (   0.19,-128.79)  135.75                80
 11/15/2020   09:40:07   (  -0.10,-127.56) (  -0.81,-124.26)  376.15                80
 11/16/2020   22:04:42   (   0.07,-127.51) (  -0.38,-129.56)  232.93                80
 11/17/2020   21:43:17   (   0.08,-127.47) (   0.62,-125.02)  278.32                80
 11/19/2020   10:07:43   (  -0.06,-127.38) (   0.58,-130.29)  330.92                80
 11/20/2020   09:46:18   (  -0.08,-127.34) (  -0.42,-125.75)  180.31                80
 11/21/2020   22:10:52   (   0.05,-127.28) (  -0.82,-131.04)  428.98                80
 11/22/2020   21:49:27   (   0.07,-127.24) (   0.24,-126.52)   82.06                80
 11/25/2020   09:52:28   (  -0.05,-127.10) (  -0.05,-127.25)   16.60                80