Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/08/2021   08:35:42   (   0.14,-104.19) (   0.96,-107.94)  426.92                80
 05/09/2021   08:19:37   (   0.14,-104.20) (  -0.01,-103.40)   89.89                80
 05/11/2021   20:20:12   (  -0.14,-104.32) (  -0.11,-104.19)   14.33                80
 05/14/2021   08:23:17   (   0.13,-104.18) (   0.29,-104.94)   85.85                80
 05/15/2021   08:07:13   (   0.14,-104.18) (  -0.74,-100.41)  430.70                80
 05/16/2021   20:29:12   (  -0.12,-104.32) (  -0.41,-105.73)  159.94                80
 05/17/2021   20:07:47   (  -0.13,-104.31) (   0.56,-101.19)  355.50                80
 05/19/2021   08:29:35   (   0.12,-104.16) (   0.65,-106.46)  262.50                80
 05/20/2021   08:13:32   (   0.13,-104.16) (  -0.38,-101.93)  254.08                80