Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/10/2020   08:10:56   (  -0.00,-104.30) (  -0.52,-101.95)  267.85                80
 01/11/2020   20:32:51   (   0.00,-104.04) (  -0.71,-107.24)  365.02                80
 01/12/2020   20:16:45   (   0.00,-104.04) (   0.30,-102.71)  151.85                80
 01/14/2020   08:38:32   (  -0.01,-104.31) (   0.84,-107.98)  419.54                80
 01/15/2020   08:17:07   (  -0.00,-104.31) (  -0.17,-103.45)   97.12                80
 01/17/2020   20:20:16   (   0.01,-104.04) (  -0.05,-104.20)   19.18                80
 01/18/2020   20:04:10   (   0.00,-104.04) (   0.97, -99.67)  497.92                80
 01/20/2020   08:25:59   (  -0.00,-104.31) (   0.11,-104.96)   73.01                80
 01/21/2020   08:04:32   (   0.00,-104.31) (  -0.84,-100.41)  443.88                80
 01/22/2020   20:26:26   (  -0.01,-104.04) (  -0.38,-105.70)  189.16                80