Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/13/2020   20:16:47   (   0.05,-104.11) (   0.35,-102.72)  158.31                80
 12/15/2020   08:38:36   (  -0.06,-104.37) (   0.75,-108.01)  414.57                80
 12/16/2020   08:17:12   (  -0.05,-104.37) (  -0.25,-103.48)  101.27                80
 12/18/2020   20:20:24   (   0.06,-104.10) (   0.03,-104.25)   16.43                80
 12/21/2020   08:26:08   (  -0.07,-104.38) (   0.06,-105.01)   70.97                80
 12/22/2020   08:04:44   (  -0.05,-104.38) (  -0.94,-100.48)  445.41                80
 12/23/2020   20:26:40   (   0.07,-104.11) (  -0.28,-105.78)  188.94                80
 12/24/2020   20:10:36   (   0.06,-104.12) (   0.73,-101.25)  328.27                80
 12/26/2020   08:32:24   (  -0.07,-104.41) (   0.43,-106.52)  241.70                80