Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 22.  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)
 09/22/2021   14:41:37   (   0.08, -75.21) (   0.55, -77.26)  234.20                80
 09/23/2021   14:18:18   (   0.07, -75.21) (  -0.56, -72.26)  334.93                80
 09/25/2021   02:39:58   (  -0.08, -75.19) (  -0.49, -76.85)  190.40                80
 09/26/2021   02:16:40   (  -0.08, -75.19) (   0.69, -71.87)  378.93                80
 09/27/2021   14:38:10   (   0.10, -75.21) (   0.38, -76.42)  137.70                80
 09/28/2021   14:14:51   (   0.09, -75.22) (  -0.73, -71.42)  431.88                80
 09/30/2021   02:36:31   (  -0.11, -75.21) (  -0.31, -76.01)   92.76                80
 10/01/2021   02:13:11   (  -0.10, -75.21) (   0.81, -71.02)  476.98                80
 10/02/2021   14:34:43   (   0.11, -75.24) (   0.20, -75.58)   39.03                80
 10/05/2021   02:30:23   (  -0.11, -75.25) (  -0.12, -75.18)    7.96                80