Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/29/2021   20:35:38   (   0.04,-104.10) (  -0.69,-107.31)  365.98                80
 01/30/2021   20:14:13   (   0.05,-104.10) (   0.33,-102.78)  150.19                80
 02/01/2021   08:36:03   (  -0.04,-104.37) (   0.76,-108.07)  421.58                80
 02/02/2021   08:19:58   (  -0.05,-104.37) (  -0.26,-103.54)   95.16                80
 02/04/2021   20:23:08   (   0.04,-104.11) (  -0.01,-104.29)   21.16                80
 02/05/2021   20:01:43   (   0.04,-104.11) (   1.01, -99.76)  494.97                80
 02/07/2021   08:23:32   (  -0.03,-104.37) (   0.14,-105.04)   77.39                80
 02/08/2021   08:07:27   (  -0.03,-104.37) (  -0.88,-100.51)  439.25                80
 02/09/2021   20:29:23   (   0.02,-104.11) (  -0.35,-105.80)  192.58                80
 02/10/2021   20:07:58   (   0.02,-104.11) (   0.68,-101.28)  323.47                80