Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 3 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)
 03/24/2021   20:20:18   (  -0.11,-104.30) (  -0.10,-104.24)    6.78                80
 03/27/2021   08:23:21   (   0.12,-104.37) (   0.23,-104.98)   69.05                80
 03/28/2021   08:07:15   (   0.11,-104.38) (  -0.75,-100.45)  447.81                80
 03/29/2021   20:29:11   (  -0.12,-104.30) (  -0.46,-105.74)  164.68                80
 03/30/2021   20:07:46   (  -0.11,-104.29) (   0.58,-101.21)  350.46                80
 04/01/2021   08:29:33   (   0.12,-104.34) (   0.59,-106.48)  243.59                80
 04/02/2021   08:13:28   (   0.12,-104.34) (  -0.40,-101.94)  273.04                80
 04/03/2021   20:35:23   (  -0.13,-104.29) (  -0.81,-107.24)  337.12                80
 04/04/2021   20:13:59   (  -0.13,-104.27) (   0.23,-102.71)  177.92                80
 04/06/2021   08:35:46   (   0.14,-104.30) (   0.93,-107.98)  418.86                80