Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2018 12 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/16/2018   08:26:59   (  -0.00,-104.23) (   0.21,-105.12)  101.26                80
 12/17/2018   08:05:35   (   0.01,-104.23) (  -0.82,-100.59)  414.95                80
 12/18/2018   20:27:30   (   0.01,-104.02) (  -0.42,-105.88)  212.54                80
 12/19/2018   20:11:25   (  -0.00,-104.03) (   0.61,-101.36)  304.63                80
 12/21/2018   08:33:14   (  -0.01,-104.25) (   0.52,-106.64)  272.59                80
 12/22/2018   08:11:48   (  -0.00,-104.24) (  -0.45,-102.10)  243.35                80
 12/23/2018   20:33:45   (   0.02,-104.01) (  -0.72,-107.41)  386.49                80
 12/24/2018   20:17:39   (   0.01,-104.01) (   0.25,-102.87)  130.18                80
 12/26/2018   08:39:27   (  -0.02,-104.24) (   0.88,-108.15)  445.82                80
 12/27/2018   08:18:03   (  -0.01,-104.24) (  -0.16,-103.62)   70.12                80