Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-C
TLE Epoch: 2021 9 11.  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)
 09/11/2021   14:18:28   (   0.06, -75.20) (  -0.60, -72.31)  329.86                80
 09/13/2021   02:40:07   (  -0.08, -75.17) (  -0.46, -76.90)  196.73                80
 09/14/2021   02:16:47   (  -0.07, -75.16) (   0.63, -71.90)  371.19                80
 09/15/2021   14:38:16   (   0.09, -75.16) (   0.41, -76.45)  148.11                80
 09/16/2021   14:14:57   (   0.08, -75.15) (  -0.75, -71.46)  420.26                80
 09/18/2021   02:36:36   (  -0.09, -75.13) (  -0.32, -76.05)  105.33                80
 09/19/2021   02:13:16   (  -0.08, -75.13) (   0.83, -71.06)  463.46                80
 09/20/2021   14:34:46   (   0.10, -75.14) (   0.20, -75.62)   54.21                80
 09/23/2021   02:33:05   (  -0.10, -75.14) (  -0.11, -75.22)    8.63                80