Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2020 12 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/15/2020   08:38:36   (  -0.06,-104.37) (   0.75,-108.01)  414.72                80
 12/16/2020   08:17:12   (  -0.05,-104.37) (  -0.25,-103.48)  101.06                80
 12/18/2020   20:20:24   (   0.06,-104.10) (   0.03,-104.25)   16.76                80
 12/21/2020   08:26:08   (  -0.07,-104.38) (   0.06,-105.01)   71.45                80
 12/22/2020   08:04:44   (  -0.06,-104.38) (  -0.95,-100.48)  444.91                80
 12/23/2020   20:26:39   (   0.07,-104.11) (  -0.33,-105.76)  189.50                80
 12/24/2020   20:10:35   (   0.06,-104.11) (   0.68,-101.23)  327.67                80
 12/26/2020   08:32:24   (  -0.07,-104.40) (   0.42,-106.52)  242.39                80
 12/27/2020   08:11:00   (  -0.06,-104.40) (  -0.59,-101.99)  274.05                80
 12/28/2020   20:32:56   (   0.07,-104.12) (  -0.62,-107.29)  361.61                80