Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/25/2021   08:19:51   (   0.10,-104.15) (  -0.07,-103.46)   79.18                80
 05/27/2021   20:20:24   (  -0.09,-104.32) (  -0.09,-104.24)    9.58                80
 05/30/2021   08:23:29   (   0.07,-104.13) (   0.26,-104.98)   96.29                80
 05/31/2021   08:07:25   (   0.09,-104.14) (  -0.72,-100.44)  420.57                80
 06/01/2021   20:29:24   (  -0.06,-104.33) (  -0.36,-105.77)  164.18                80
 06/02/2021   20:08:00   (  -0.08,-104.33) (   0.62,-101.24)  352.33                80
 06/04/2021   08:29:48   (   0.05,-104.14) (   0.59,-106.50)  269.68                80
 06/05/2021   08:13:44   (   0.07,-104.15) (  -0.45,-101.98)  247.57                80
 06/06/2021   20:33:03   (  -0.04,-104.35) (  -0.68,-107.30)  335.48                80