Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-C
TLE Epoch: 2021 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2021   14:38:17   (   0.08, -75.20) (   0.37, -76.46)  142.81                80
 09/16/2021   14:14:56   (   0.08, -75.21) (  -0.73, -71.46)  426.61                80
 09/18/2021   02:36:36   (  -0.09, -75.20) (  -0.28, -76.06)   97.90                80
 09/19/2021   02:13:16   (  -0.08, -75.21) (   0.82, -71.06)  471.92                80
 09/20/2021   14:34:46   (   0.09, -75.24) (   0.16, -75.63)   43.70                80
 09/23/2021   02:30:26   (  -0.09, -75.26) (  -0.07, -75.23)    4.44                80
 09/25/2021   14:28:35   (   0.10, -75.32) (   0.00, -74.78)   60.44                80
 09/27/2021   02:50:15   (  -0.12, -75.33) (  -1.01, -79.39)  461.49                80
 09/28/2021   02:26:55   (  -0.11, -75.35) (   0.09, -74.39)  109.64                80