Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/24/2021   08:35:54   (   0.09,-104.15) (   0.95,-107.98)  437.46                80
 05/25/2021   08:19:50   (   0.10,-104.15) (  -0.03,-103.45)   79.28                80
 05/27/2021   20:20:25   (  -0.09,-104.32) (  -0.07,-104.24)    8.75                80
 05/30/2021   08:23:30   (   0.07,-104.13) (   0.24,-104.98)   96.62                80
 05/31/2021   08:07:25   (   0.09,-104.13) (  -0.74,-100.45)  420.23                80
 06/01/2021   20:29:24   (  -0.06,-104.32) (  -0.39,-105.77)  164.81                80
 06/02/2021   20:07:59   (  -0.08,-104.32) (   0.59,-101.23)  351.59                80
 06/04/2021   08:29:48   (   0.06,-104.13) (   0.56,-106.51)  270.32                80
 06/05/2021   08:13:44   (   0.07,-104.14) (  -0.42,-101.97)  246.89                80