Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/19/2021   20:27:25   (   0.24,-104.35) (  -0.13,-105.93)  180.24                80
 07/20/2021   20:11:21   (   0.22,-104.35) (   0.91,-101.40)  336.64                80
 07/22/2021   08:30:30   (  -0.26,-104.12) (   0.30,-106.67)  290.55                80
 07/23/2021   08:14:25   (  -0.25,-104.12) (  -0.68,-102.13)  225.76                80
 07/24/2021   20:33:45   (   0.28,-104.35) (  -0.39,-107.46)  354.79                80
 07/25/2021   20:17:40   (   0.27,-104.35) (   0.59,-102.93)  162.49                80
 07/27/2021   08:39:28   (  -0.31,-104.14) (   0.62,-108.19)  462.45                80
 07/28/2021   08:20:45   (  -0.29,-104.14) (  -0.42,-103.67)   54.46                80
 07/30/2021   20:21:19   (   0.30,-104.38) (   0.27,-104.45)    9.08                80
 08/02/2021   08:27:04   (  -0.33,-104.18) (  -0.10,-105.19)  115.40                80