Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 10 20.  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)
 10/21/2021   14:39:00   (   0.07, -75.21) (   0.52, -77.27)  234.45                80
 10/22/2021   14:21:00   (   0.07, -75.21) (  -0.57, -72.27)  334.97                80
 10/24/2021   02:40:00   (  -0.07, -75.20) (  -0.47, -76.86)  190.19                80
 10/25/2021   02:16:42   (  -0.08, -75.20) (   0.68, -71.88)  379.41                80
 10/26/2021   14:35:33   (   0.08, -75.23) (   0.37, -76.43)  137.60                80
 10/27/2021   14:17:35   (   0.08, -75.23) (  -0.78, -71.45)  432.29                80
 10/29/2021   02:36:35   (  -0.09, -75.23) (  -0.25, -76.04)   92.05                80
 10/30/2021   02:13:16   (  -0.09, -75.24) (   0.85, -71.04)  478.09                80
 10/31/2021   14:32:08   (   0.09, -75.27) (   0.16, -75.61)   38.11                80