Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 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)
 07/27/2021   08:39:29   (  -0.31,-104.13) (   0.58,-108.20)  463.54                80
 07/28/2021   08:20:44   (  -0.29,-104.13) (  -0.40,-103.66)   53.06                80
 07/30/2021   20:21:19   (   0.30,-104.36) (   0.31,-104.46)   10.52                80
 08/02/2021   08:27:03   (  -0.33,-104.16) (  -0.09,-105.19)  117.85                80
 08/03/2021   08:05:39   (  -0.31,-104.15) (  -1.08,-100.65)  398.56                80
 08/04/2021   20:27:38   (   0.35,-104.37) (   0.01,-105.99)  183.26                80
 08/05/2021   20:11:33   (   0.34,-104.38) (   0.99,-101.45)  333.94                80
 08/07/2021   08:33:22   (  -0.37,-104.18) (   0.21,-106.72)  289.62                80
 08/08/2021   08:11:57   (  -0.36,-104.17) (  -0.78,-102.18)  226.59                80
 08/09/2021   20:33:57   (   0.39,-104.38) (  -0.29,-107.51)  357.13                80