Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2019 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2019   10:01:33   (   0.03,-128.37) (   0.14,-128.83)   52.74                80
 03/18/2019   09:40:08   (   0.03,-128.36) (  -0.86,-124.29)  462.91                80
 03/19/2019   22:04:43   (  -0.03,-128.30) (  -0.34,-129.59)  147.67                80
 03/20/2019   21:43:19   (  -0.03,-128.29) (   0.72,-125.06)  367.80                80
 03/22/2019   10:05:17   (   0.03,-128.31) (   0.48,-130.32)  229.19                68
 03/23/2019   09:46:20   (   0.03,-128.30) (  -0.53,-125.79)  286.15                80
 03/24/2019   22:10:55   (  -0.03,-128.24) (  -0.67,-131.09)  324.86                80
 03/25/2019   21:49:29   (  -0.03,-128.22) (   0.33,-126.55)  190.13                80
 03/27/2019   10:11:16   (   0.04,-128.24) (   0.86,-131.81)  407.77                80
 03/28/2019   09:55:11   (   0.04,-128.22) (  -0.20,-127.29)  107.13                80