Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/12/2021   18:38:54   (   0.03, -75.25) (  -0.73, -78.75)  398.34                80
 06/13/2021   18:22:50   (   0.03, -75.25) (   0.25, -74.21)  118.47                80
 06/15/2021   06:41:59   (  -0.03, -75.25) (   0.89, -79.49)  482.30                80
 06/16/2021   06:25:55   (  -0.03, -75.26) (  -0.09, -74.96)   34.83                80
 06/18/2021   18:26:27   (   0.03, -75.29) (  -0.10, -75.73)   50.24                80
 06/19/2021   18:10:24   (   0.02, -75.31) (   0.95, -71.21)  467.44                80
 06/21/2021   06:29:33   (  -0.04, -75.32) (   0.20, -76.48)  132.41                80
 06/22/2021   06:13:29   (  -0.03, -75.33) (  -0.79, -71.95)  385.24                80
 06/23/2021   18:32:46   (   0.05, -75.36) (  -0.38, -77.26)  216.79                80
 06/24/2021   18:16:42   (   0.04, -75.37) (   0.62, -72.72)  301.08                80