Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/14/2020   08:38:32   (  -0.01,-104.31) (   0.83,-107.98)  419.43                80
 01/15/2020   08:17:07   (  -0.00,-104.31) (  -0.18,-103.45)   97.36                80
 01/17/2020   20:20:16   (   0.01,-104.05) (  -0.04,-104.21)   17.97                80
 01/18/2020   20:04:10   (   0.00,-104.05) (   0.97, -99.67)  499.26                80
 01/20/2020   08:25:33   (  -0.00,-104.32) (   0.16,-104.95)   71.99                55
 01/21/2020   08:04:32   (   0.00,-104.32) (  -0.85,-100.41)  445.03                80
 01/22/2020   20:26:26   (  -0.01,-104.06) (  -0.38,-105.70)  187.21                80
 01/23/2020   20:10:21   (  -0.01,-104.06) (   0.64,-101.17)  329.94                80
 01/25/2020   08:29:28   (   0.01,-104.33) (   0.50,-106.44)  240.93                80
 01/26/2020   08:10:43   (   0.01,-104.34) (  -0.51,-101.91)  276.21                80