Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/27/2020   08:11:00   (  -0.07,-104.37) (  -0.60,-101.99)  270.54                80
 12/28/2020   20:32:56   (   0.08,-104.08) (  -0.62,-107.29)  365.51                80
 12/29/2020   20:16:51   (   0.07,-104.08) (   0.39,-102.76)  150.94                80
 12/31/2020   08:38:40   (  -0.07,-104.36) (   0.77,-108.04)  419.28                80
 01/01/2021   08:17:15   (  -0.07,-104.36) (  -0.24,-103.51)   96.52                80
 01/03/2021   20:20:27   (   0.07,-104.06) (   0.04,-104.28)   24.50                80
 01/04/2021   20:04:23   (   0.07,-104.06) (   1.05, -99.75)  491.84                80
 01/06/2021   08:26:11   (  -0.08,-104.35) (   0.10,-105.03)   77.96                80
 01/07/2021   08:04:46   (  -0.07,-104.34) (  -0.91,-100.50)  438.02                80
 01/08/2021   20:26:43   (   0.07,-104.04) (  -0.30,-105.80)  199.26                80
 01/09/2021   20:10:37   (   0.07,-104.04) (   0.66,-101.26)  316.89                80