Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2018 11 23.  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   09:59:31   (   0.07,-128.40) (   0.18,-128.89)   56.44                80
 11/26/2018   09:40:46   (   0.08,-128.42) (  -0.84,-124.37)  462.15                80
 11/27/2018   22:02:42   (  -0.05,-128.35) (  -0.36,-129.67)  151.18                80
 11/28/2018   21:46:38   (  -0.06,-128.37) (   0.67,-125.14)  367.66                80
 11/30/2018   10:05:46   (   0.04,-128.50) (   0.47,-130.42)  219.03                80
 12/01/2018   09:49:42   (   0.05,-128.52) (  -0.56,-125.90)  299.25                80
 12/02/2018   22:08:58   (  -0.02,-128.43) (  -0.64,-131.20)  315.39                80
 12/03/2018   21:52:54   (  -0.03,-128.45) (   0.39,-126.67)  203.26                80
 12/05/2018   10:12:02   (   0.01,-128.59) (   0.74,-131.95)  382.88                80
 12/06/2018   09:55:56   (   0.03,-128.60) (  -0.22,-127.41)  135.06                80