Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 4 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/01/2021   08:29:33   (   0.12,-104.35) (   0.59,-106.48)  242.39                80
 04/02/2021   08:13:28   (   0.12,-104.36) (  -0.39,-101.94)  274.58                80
 04/03/2021   20:35:24   (  -0.13,-104.32) (  -0.77,-107.25)  333.34                80
 04/04/2021   20:13:59   (  -0.13,-104.31) (   0.22,-102.71)  182.08                80
 04/06/2021   08:35:46   (   0.14,-104.33) (   0.94,-107.98)  415.91                80
 04/07/2021   08:19:41   (   0.14,-104.33) (  -0.05,-103.44)  101.34                80
 04/09/2021   20:20:11   (  -0.15,-104.32) (  -0.12,-104.21)   12.67                80
 04/12/2021   08:23:13   (   0.15,-104.33) (   0.29,-104.94)   69.66                80
 04/13/2021   08:07:09   (   0.15,-104.34) (  -0.76,-100.42)  447.93                80
 04/14/2021   20:29:04   (  -0.15,-104.35) (  -0.45,-105.71)  155.36                80