Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/19/2020   20:04:19   (   0.05,-104.10) (   1.04, -99.72)  499.43                80
 12/21/2020   08:26:08   (  -0.07,-104.37) (   0.06,-105.01)   72.43                80
 12/22/2020   08:04:44   (  -0.06,-104.37) (  -0.95,-100.48)  443.71                80
 12/23/2020   20:26:40   (   0.07,-104.09) (  -0.27,-105.78)  191.04                80
 12/24/2020   20:10:35   (   0.06,-104.10) (   0.68,-101.23)  325.92                80
 12/26/2020   08:32:24   (  -0.07,-104.38) (   0.42,-106.52)  244.36                80
 12/27/2020   08:11:00   (  -0.06,-104.38) (  -0.59,-101.99)  271.86                80
 12/28/2020   20:32:56   (   0.07,-104.09) (  -0.62,-107.29)  364.17                80
 12/29/2020   20:16:50   (   0.06,-104.09) (   0.33,-102.75)  152.44                80
 12/31/2020   08:38:40   (  -0.07,-104.38) (   0.76,-108.04)  417.41                80
 01/01/2021   08:17:15   (  -0.06,-104.38) (  -0.25,-103.51)   98.61                80