Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/23/2020   20:10:23   (  -0.01,-104.06) (   0.66,-101.18)  328.87                80
 01/25/2020   08:29:32   (   0.01,-104.31) (   0.48,-106.46)  244.98                80
 01/26/2020   08:13:28   (   0.02,-104.31) (  -0.52,-101.93)  271.33                80
 01/27/2020   20:35:24   (  -0.01,-104.06) (  -0.71,-107.23)  360.28                80
 01/28/2020   20:14:00   (  -0.01,-104.06) (   0.28,-102.69)  156.02                80
 01/30/2020   08:35:49   (   0.01,-104.32) (   0.85,-107.98)  417.65                80
 01/31/2020   08:19:45   (   0.01,-104.32) (  -0.20,-103.46)   98.93                80
 02/02/2020   20:22:57   (  -0.00,-104.08) (  -0.03,-104.22)   16.02                80
 02/05/2020   08:23:22   (  -0.00,-104.33) (   0.17,-104.97)   74.31                80
 02/06/2020   08:07:19   (  -0.01,-104.33) (  -0.88,-100.45)  441.90                80