Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/25/2021   20:07:59   (   0.06,-104.09) (   0.70,-101.28)  321.65                80
 01/27/2021   08:29:47   (  -0.05,-104.37) (   0.45,-106.55)  249.26                80
 01/28/2021   08:13:43   (  -0.05,-104.37) (  -0.57,-102.02)  267.15                80
 01/29/2021   20:35:38   (   0.04,-104.09) (  -0.67,-107.31)  366.82                80
 01/30/2021   20:14:14   (   0.04,-104.09) (   0.35,-102.79)  149.18                80
 02/01/2021   08:36:02   (  -0.04,-104.36) (   0.80,-108.06)  422.40                80
 02/02/2021   08:19:57   (  -0.04,-104.36) (  -0.22,-103.53)   94.12                80
 02/04/2021   20:23:08   (   0.04,-104.09) (   0.01,-104.30)   23.05                80
 02/05/2021   20:01:44   (   0.04,-104.09) (   1.03, -99.77)  492.87                80
 02/07/2021   08:23:32   (  -0.03,-104.35) (   0.12,-105.04)   79.28                80