Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 11 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2021   18:30:50   (  -0.01, -75.19) (  -0.17, -75.93)   84.72                80
 11/10/2021   18:09:27   (   0.00, -75.19) (   0.83, -71.40)  431.14                80
 11/12/2021   06:33:57   (   0.00, -75.19) (   0.32, -76.68)  169.66                80
 11/13/2021   06:12:33   (  -0.00, -75.20) (  -0.68, -72.15)  346.79                80
 11/14/2021   18:37:12   (  -0.00, -75.21) (  -0.49, -77.46)  256.55                80
 11/15/2021   18:15:48   (  -0.00, -75.22) (   0.51, -72.93)  260.61                80
 11/17/2021   06:40:17   (   0.01, -75.24) (   0.69, -78.20)  338.22                80
 11/18/2021   06:18:54   (   0.01, -75.25) (  -0.32, -73.67)  179.18                80
 11/19/2021   18:43:32   (  -0.02, -75.27) (  -0.86, -78.98)  423.22                80
 11/20/2021   18:22:09   (  -0.02, -75.28) (   0.16, -74.45)   94.38                80