Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 2 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2021   08:19:56   (  -0.00,-104.39) (  -0.19,-103.53)   98.33                80
 02/20/2021   20:23:07   (  -0.00,-104.18) (  -0.01,-104.29)   12.49                80
 02/23/2021   08:23:31   (   0.01,-104.39) (   0.12,-105.04)   73.52                80
 02/24/2021   08:07:25   (   0.00,-104.39) (  -0.85,-100.50)  443.36                80
 02/25/2021   20:29:20   (  -0.01,-104.19) (  -0.38,-105.79)  182.79                80
 02/26/2021   20:07:56   (  -0.01,-104.19) (   0.65,-101.27)  332.89                80
 02/28/2021   08:29:44   (   0.01,-104.38) (   0.49,-106.54)  246.03                80
 03/01/2021   08:13:40   (   0.01,-104.39) (  -0.54,-102.02)  270.92                80
 03/02/2021   20:35:34   (  -0.01,-104.21) (  -0.74,-107.30)  353.06                80