Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2020   20:26:27   (  -0.01,-104.06) (  -0.37,-105.70)  187.19                80
 01/23/2020   20:10:21   (  -0.01,-104.06) (   0.64,-101.17)  329.76                80
 01/25/2020   08:29:28   (   0.01,-104.31) (   0.49,-106.44)  242.93                80
 01/26/2020   08:13:23   (   0.01,-104.31) (  -0.52,-101.91)  274.05                80
 01/27/2020   20:35:17   (  -0.01,-104.07) (  -0.70,-107.20)  356.55                80
 01/28/2020   20:13:52   (  -0.01,-104.07) (   0.32,-102.67)  160.47                80
 01/30/2020   08:35:39   (   0.01,-104.33) (   0.82,-107.94)  412.00                80
 01/31/2020   08:19:34   (   0.01,-104.33) (  -0.20,-103.41)  105.29                80
 02/02/2020   20:22:42   (  -0.00,-104.09) (  -0.00,-104.17)    7.99                80