Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2021   14:14:51   (   0.09, -75.21) (  -0.74, -71.42)  431.16                80
 09/30/2021   02:36:31   (  -0.10, -75.19) (  -0.31, -76.01)   94.53                80
 10/01/2021   02:13:11   (  -0.09, -75.19) (   0.81, -71.02)  475.09                80
 10/02/2021   14:34:43   (   0.10, -75.23) (   0.20, -75.58)   40.41                80
 10/05/2021   02:33:03   (  -0.11, -75.23) (  -0.12, -75.18)    5.50                80
 10/07/2021   14:28:35   (   0.11, -75.28) (   0.01, -74.74)   60.64                80
 10/09/2021   02:50:16   (  -0.12, -75.27) (  -1.04, -79.34)  463.32                80
 10/10/2021   02:26:56   (  -0.12, -75.29) (   0.08, -74.34)  107.19                80
 10/11/2021   14:48:27   (   0.13, -75.33) (   0.93, -78.90)  407.28                80