Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2020   08:04:43   (  -0.06,-104.36) (  -0.92,-100.47)  443.37                80
 12/23/2020   20:26:40   (   0.08,-104.09) (  -0.30,-105.77)  191.49                80
 12/24/2020   20:10:35   (   0.07,-104.09) (   0.71,-101.24)  325.31                80
 12/26/2020   08:32:25   (  -0.08,-104.37) (   0.39,-106.53)  245.17                80
 12/27/2020   08:11:00   (  -0.06,-104.37) (  -0.62,-102.00)  270.92                80
 12/28/2020   20:32:55   (   0.07,-104.08) (  -0.66,-107.29)  365.32                80
 12/29/2020   20:16:51   (   0.06,-104.08) (   0.36,-102.76)  151.12                80
 12/31/2020   08:38:40   (  -0.07,-104.37) (   0.74,-108.05)  418.85                80
 01/01/2021   08:17:16   (  -0.06,-104.36) (  -0.27,-103.52)   97.04                80
 01/03/2021   20:20:27   (   0.07,-104.07) (   0.01,-104.27)   23.99                80
 01/04/2021   20:04:22   (   0.06,-104.06) (   1.03, -99.74)  492.29                80