Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 13.  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   08:38:33   (  -0.01,-104.31) (   0.81,-107.99)  419.54                80
 01/15/2020   08:17:07   (  -0.00,-104.31) (  -0.20,-103.45)   97.27                80
 01/17/2020   20:20:16   (   0.01,-104.05) (  -0.02,-104.21)   17.69                80
 01/18/2020   20:04:11   (   0.00,-104.06) (   0.99, -99.68)  499.52                80
 01/20/2020   08:25:58   (  -0.00,-104.32) (   0.14,-104.95)   71.83                80
 01/21/2020   08:04:33   (   0.00,-104.32) (  -0.87,-100.42)  445.16                80
 01/22/2020   20:26:27   (  -0.01,-104.06) (  -0.35,-105.71)  186.81                80
 01/23/2020   20:10:21   (  -0.01,-104.07) (   0.66,-101.17)  330.40                80
 01/25/2020   08:29:29   (   0.01,-104.33) (   0.48,-106.45)  240.65                80
 01/26/2020   08:10:43   (   0.01,-104.34) (  -0.54,-101.91)  276.52                80