Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 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)
 12/23/2020   20:26:40   (   0.08,-104.09) (  -0.27,-105.78)  191.55                80
 12/24/2020   20:10:35   (   0.07,-104.09) (   0.68,-101.23)  325.27                80
 12/26/2020   08:32:24   (  -0.08,-104.37) (   0.42,-106.52)  245.29                80
 12/27/2020   08:11:00   (  -0.06,-104.37) (  -0.59,-101.99)  270.75                80
 12/28/2020   20:32:56   (   0.07,-104.08) (  -0.62,-107.29)  365.50                80
 12/29/2020   20:16:51   (   0.06,-104.08) (   0.39,-102.76)  150.96                80
 12/31/2020   08:38:40   (  -0.07,-104.37) (   0.77,-108.04)  419.09                80
 01/01/2021   08:17:15   (  -0.06,-104.36) (  -0.25,-103.51)   96.75                80
 01/03/2021   20:20:27   (   0.07,-104.06) (   0.05,-104.28)   24.51                80
 01/04/2021   20:04:22   (   0.06,-104.06) (   1.01, -99.74)  491.98                80