Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/10/2021   18:09:26   (  -0.00, -75.19) (   0.83, -71.40)  431.21                80
 11/12/2021   06:33:57   (   0.00, -75.19) (   0.33, -76.68)  169.74                80
 11/13/2021   06:12:33   (  -0.00, -75.19) (  -0.68, -72.15)  346.67                80
 11/14/2021   18:37:12   (  -0.00, -75.21) (  -0.50, -77.46)  256.67                80
 11/15/2021   18:15:48   (  -0.00, -75.22) (   0.51, -72.93)  260.45                80
 11/17/2021   06:40:17   (   0.01, -75.23) (   0.70, -78.20)  338.52                80
 11/18/2021   06:18:55   (   0.01, -75.25) (  -0.36, -73.68)  178.84                80
 11/19/2021   18:43:32   (  -0.02, -75.27) (  -0.87, -78.98)  423.62                80
 11/20/2021   18:22:09   (  -0.02, -75.28) (   0.14, -74.45)   93.96                80
 11/23/2021   06:25:16   (   0.02, -75.32) (  -0.00, -75.20)   13.24                80