Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 4 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2020   20:23:12   (  -0.13,-104.16) (  -0.15,-104.27)   12.64                80
 04/25/2020   08:23:35   (   0.13,-104.13) (   0.32,-105.00)   99.06                80
 04/26/2020   08:07:30   (   0.13,-104.14) (  -0.71,-100.47)  418.11                80
 04/27/2020   20:29:26   (  -0.12,-104.17) (  -0.48,-105.78)  183.48                80
 04/28/2020   20:08:02   (  -0.13,-104.16) (   0.54,-101.25)  332.32                80
 04/30/2020   08:29:49   (   0.12,-104.12) (   0.65,-106.51)  273.00                80
 05/01/2020   08:13:45   (   0.13,-104.12) (  -0.37,-101.98)  244.02                80
 05/02/2020   20:35:41   (  -0.11,-104.17) (  -0.81,-107.29)  355.46                80
 05/03/2020   20:14:17   (  -0.12,-104.16) (   0.22,-102.76)  160.47                80