Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2018 11 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/25/2018   09:59:30   (   0.07,-128.40) (   0.20,-128.89)   56.60                80
 11/26/2018   09:40:46   (   0.08,-128.42) (  -0.82,-124.36)  462.01                80
 11/27/2018   22:02:43   (  -0.05,-128.34) (  -0.32,-129.68)  151.65                80
 11/28/2018   21:46:38   (  -0.06,-128.36) (   0.64,-125.14)  367.15                80
 11/30/2018   10:05:46   (   0.04,-128.50) (   0.49,-130.42)  219.47                80
 12/01/2018   09:49:41   (   0.05,-128.51) (  -0.53,-125.89)  298.76                80
 12/02/2018   22:08:58   (  -0.02,-128.43) (  -0.66,-131.20)  316.17                80
 12/03/2018   21:52:53   (  -0.03,-128.44) (   0.36,-126.67)  202.41                80
 12/05/2018   10:12:02   (   0.01,-128.58) (   0.77,-131.95)  383.64                80
 12/06/2018   09:55:57   (   0.03,-128.60) (  -0.25,-127.42)  134.22                80