Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 23.  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)
 09/23/2021   14:18:18   (   0.07, -75.21) (  -0.57, -72.26)  334.83                80
 09/25/2021   02:39:58   (  -0.08, -75.19) (  -0.47, -76.86)  190.66                80
 09/26/2021   02:16:39   (  -0.08, -75.19) (   0.64, -71.86)  378.59                80
 09/27/2021   14:38:10   (   0.09, -75.21) (   0.37, -76.42)  138.02                80
 09/28/2021   14:14:51   (   0.09, -75.21) (  -0.75, -71.43)  431.49                80
 09/30/2021   02:36:31   (  -0.11, -75.20) (  -0.30, -76.02)   93.30                80
 10/01/2021   02:13:12   (  -0.10, -75.21) (   0.82, -71.02)  476.35                80
 10/02/2021   14:34:43   (   0.11, -75.23) (   0.19, -75.58)   39.62                80
 10/05/2021   02:30:24   (  -0.11, -75.24) (  -0.11, -75.18)    6.77                80