Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/06/2021   08:26:11   (  -0.08,-104.36) (   0.06,-105.03)   76.09                80
 01/07/2021   08:04:47   (  -0.08,-104.36) (  -0.95,-100.50)  440.24                80
 01/08/2021   20:26:42   (   0.08,-104.08) (  -0.32,-105.79)  195.15                80
 01/09/2021   20:10:38   (   0.07,-104.08) (   0.70,-101.26)  321.39                80
 01/11/2021   08:29:47   (  -0.07,-104.36) (   0.39,-106.55)  248.61                80
 01/12/2021   08:11:02   (  -0.06,-104.36) (  -0.57,-102.01)  267.68                80
 01/13/2021   20:32:58   (   0.07,-104.08) (  -0.63,-107.31)  368.12                80
 01/14/2021   20:16:52   (   0.07,-104.08) (   0.33,-102.77)  148.43                80
 01/16/2021   08:36:02   (  -0.07,-104.37) (   0.77,-108.06)  421.00                80
 01/17/2021   08:19:57   (  -0.07,-104.37) (  -0.25,-103.53)   95.76                80