Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2020   08:04:46   (  -0.01,-104.30) (  -0.89,-100.46)  438.18                80
 01/06/2020   20:26:40   (   0.01,-104.04) (  -0.35,-105.75)  194.27                80
 01/07/2020   20:10:35   (   0.00,-104.04) (   0.66,-101.22)  322.80                80
 01/09/2020   08:32:22   (  -0.01,-104.31) (   0.47,-106.49)  248.87                80
 01/10/2020   08:10:57   (  -0.00,-104.30) (  -0.54,-101.96)  267.49                80
 01/11/2020   20:32:51   (   0.00,-104.03) (  -0.70,-107.25)  366.21                80
 01/12/2020   20:16:45   (   0.00,-104.03) (   0.31,-102.71)  150.44                80
 01/14/2020   08:37:51   (  -0.01,-104.30) (   0.83,-107.99)  420.87                38
 01/15/2020   08:17:07   (  -0.00,-104.29) (  -0.18,-103.45)   95.57                80
 01/17/2020   20:20:16   (   0.01,-104.02) (  -0.03,-104.21)   21.61                80