Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2021   08:23:30   (   0.07,-104.13) (   0.23,-104.98)   96.92                80
 05/31/2021   08:07:25   (   0.09,-104.13) (  -0.75,-100.45)  419.88                80
 06/01/2021   20:26:44   (  -0.06,-104.32) (  -0.39,-105.77)  164.34                80
 06/02/2021   20:07:59   (  -0.08,-104.32) (   0.59,-101.23)  352.07                80
 06/04/2021   08:29:47   (   0.05,-104.13) (   0.61,-106.50)  270.74                80
 06/05/2021   08:13:44   (   0.07,-104.13) (  -0.43,-101.97)  246.41                80
 06/06/2021   20:33:02   (  -0.04,-104.34) (  -0.70,-107.29)  336.19                80
 06/07/2021   20:16:58   (  -0.05,-104.34) (   0.29,-102.76)  180.35                80
 06/09/2021   08:36:07   (   0.02,-104.14) (   0.87,-108.04)  443.81                80
 06/10/2021   08:20:03   (   0.03,-104.14) (  -0.12,-103.50)   73.06                80
 06/12/2021   20:20:36   (  -0.02,-104.35) (  -0.01,-104.29)    7.63                80