Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2021   08:14:26   (  -0.25,-104.11) (  -0.72,-102.14)  225.54                80
 07/24/2021   20:33:44   (   0.28,-104.35) (  -0.42,-107.46)  354.89                80
 07/25/2021   20:17:40   (   0.27,-104.35) (   0.56,-102.92)  162.36                80
 07/27/2021   08:39:29   (  -0.31,-104.14) (   0.58,-108.20)  462.86                80
 07/28/2021   08:20:44   (  -0.29,-104.14) (  -0.40,-103.66)   53.90                80
 07/30/2021   20:21:19   (   0.30,-104.37) (   0.31,-104.46)    9.75                80
 08/02/2021   08:27:03   (  -0.33,-104.17) (  -0.08,-105.19)  116.16                80
 08/03/2021   08:05:39   (  -0.31,-104.17) (  -1.07,-100.65)  400.44                80
 08/04/2021   20:27:38   (   0.35,-104.39) (  -0.00,-105.99)  181.69                80