Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2019   08:38:45   (  -0.01,-104.30) (   0.84,-108.02)  424.91                80
 12/30/2019   08:17:19   (  -0.00,-104.29) (  -0.17,-103.49)   91.59                80
 01/01/2020   20:20:29   (   0.01,-104.04) (  -0.01,-104.25)   23.50                80
 01/02/2020   20:04:24   (   0.00,-104.05) (   0.99, -99.72)  493.94                80
 01/04/2020   08:26:11   (  -0.01,-104.31) (   0.14,-104.99)   78.05                80
 01/05/2020   08:04:45   (  -0.01,-104.31) (  -0.87,-100.46)  438.67                80
 01/06/2020   20:26:40   (   0.01,-104.05) (  -0.37,-105.75)  193.78                80
 01/07/2020   20:10:34   (   0.01,-104.05) (   0.64,-101.21)  323.29                80
 01/09/2020   08:32:22   (  -0.01,-104.31) (   0.50,-106.49)  248.26                80
 01/10/2020   08:10:56   (  -0.00,-104.31) (  -0.51,-101.95)  268.22                80
 01/11/2020   20:32:50   (   0.01,-104.04) (  -0.72,-107.24)  365.38                80