Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/27/2021   08:29:48   (  -0.05,-104.37) (   0.41,-106.56)  249.22                80
 01/28/2021   08:13:42   (  -0.05,-104.37) (  -0.55,-102.02)  267.28                80
 01/29/2021   20:35:38   (   0.04,-104.10) (  -0.70,-107.31)  366.41                80
 01/30/2021   20:14:13   (   0.05,-104.10) (   0.32,-102.78)  149.67                80
 02/01/2021   08:36:02   (  -0.04,-104.36) (   0.77,-108.07)  421.99                80
 02/02/2021   08:19:58   (  -0.05,-104.37) (  -0.25,-103.54)   94.60                80
 02/04/2021   20:23:08   (   0.04,-104.10) (  -0.03,-104.29)   22.44                80
 02/05/2021   20:01:43   (   0.04,-104.10) (   0.99, -99.76)  493.73                80
 02/07/2021   08:23:33   (  -0.03,-104.36) (   0.11,-105.05)   78.51                80
 02/08/2021   08:07:28   (  -0.03,-104.36) (  -0.92,-100.52)  437.99                80
 02/09/2021   20:29:22   (   0.02,-104.10) (  -0.38,-105.80)  194.32                80