Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 8 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/08/2021   08:11:58   (  -0.36,-104.15) (  -0.82,-102.19)  224.63                80
 08/09/2021   20:33:56   (   0.39,-104.37) (  -0.31,-107.50)  357.71                80
 08/10/2021   20:17:52   (   0.38,-104.37) (   0.67,-102.97)  159.64                80
 08/12/2021   08:39:40   (  -0.41,-104.18) (   0.52,-108.24)  462.97                80
 08/13/2021   08:18:15   (  -0.39,-104.17) (  -0.47,-103.70)   53.21                80
 08/15/2021   20:21:30   (   0.40,-104.37) (   0.39,-104.50)   14.13                80
 08/18/2021   08:27:14   (  -0.43,-104.19) (  -0.19,-105.23)  119.38                80
 08/19/2021   08:05:50   (  -0.42,-104.18) (  -1.18,-100.70)  396.21                80
 08/20/2021   20:27:48   (   0.44,-104.36) (   0.06,-106.02)  189.55                80
 08/21/2021   20:11:43   (   0.44,-104.36) (   1.05,-101.48)  327.66                80