Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 3 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/07/2021   06:16:46   (  -0.04, -75.19) (  -0.43, -73.44)  199.86                80
 03/08/2021   18:38:41   (   0.03, -75.20) (  -0.79, -78.73)  403.76                80
 03/09/2021   18:22:36   (   0.03, -75.20) (   0.25, -74.21)  113.07                80
 03/11/2021   06:44:24   (  -0.02, -75.20) (   0.94, -79.47)  486.98                80
 03/12/2021   06:22:59   (  -0.01, -75.21) (  -0.09, -74.95)   30.22                80
 03/14/2021   18:26:10   (   0.01, -75.23) (  -0.09, -75.71)   54.43                80
 03/15/2021   18:10:06   (   0.01, -75.25) (   0.95, -71.19)  463.48                80
 03/17/2021   06:31:53   (  -0.01, -75.26) (   0.24, -76.45)  135.05                80
 03/18/2021   06:10:27   (  -0.01, -75.28) (  -0.74, -71.91)  382.86                80
 03/19/2021   18:32:24   (   0.01, -75.30) (  -0.41, -77.22)  218.58                80
 03/20/2021   18:16:19   (   0.01, -75.32) (   0.63, -72.69)  299.82                80