Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 2 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)
 02/20/2021   20:23:07   (  -0.01,-104.18) (  -0.02,-104.29)   12.22                80
 02/23/2021   08:23:30   (   0.01,-104.39) (   0.13,-105.04)   73.23                80
 02/24/2021   08:07:25   (   0.01,-104.40) (  -0.84,-100.50)  443.66                80
 02/25/2021   20:29:20   (  -0.02,-104.19) (  -0.39,-105.79)  182.51                80
 02/26/2021   20:07:56   (  -0.01,-104.19) (   0.65,-101.26)  333.20                80
 02/28/2021   08:29:44   (   0.02,-104.39) (   0.50,-106.54)  245.59                80
 03/01/2021   08:13:40   (   0.01,-104.39) (  -0.54,-102.01)  271.39                80
 03/02/2021   20:35:34   (  -0.02,-104.21) (  -0.74,-107.30)  352.63                80
 03/03/2021   20:14:09   (  -0.01,-104.20) (   0.29,-102.77)  162.97                80
 03/05/2021   08:35:58   (   0.02,-104.38) (   0.85,-108.05)  418.11                80