Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2021   08:13:43   (  -0.05,-104.37) (  -0.57,-102.02)  267.28                80
 01/29/2021   20:35:38   (   0.04,-104.10) (  -0.68,-107.31)  366.20                80
 01/30/2021   20:14:13   (   0.05,-104.10) (   0.34,-102.78)  149.90                80
 02/01/2021   08:36:02   (  -0.04,-104.36) (   0.81,-108.06)  421.77                80
 02/02/2021   08:19:57   (  -0.05,-104.37) (  -0.21,-103.53)   94.88                80
 02/04/2021   20:23:08   (   0.04,-104.10) (  -0.00,-104.29)   21.71                80
 02/05/2021   20:01:44   (   0.04,-104.10) (   1.02, -99.77)  494.28                80
 02/07/2021   08:23:32   (  -0.03,-104.36) (   0.13,-105.04)   77.96                80
 02/08/2021   08:07:27   (  -0.03,-104.36) (  -0.89,-100.51)  438.58                80
 02/09/2021   20:29:23   (   0.02,-104.10) (  -0.34,-105.81)  193.54                80
 02/10/2021   20:07:58   (   0.02,-104.10) (   0.68,-101.28)  322.45                80