Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 1 27.  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)
 01/28/2021   14:42:07   (   0.00, -75.22) (   0.65, -78.18)  337.24                80
 01/29/2021   14:24:08   (   0.01, -75.22) (  -0.47, -73.19)  232.48                80
 01/31/2021   02:43:08   (  -0.01, -75.20) (  -0.57, -77.78)  293.73                80
 02/01/2021   02:19:48   (  -0.01, -75.21) (   0.50, -72.78)  276.25                80
 02/02/2021   14:38:39   (   0.01, -75.25) (   0.49, -77.34)  238.51                80
 02/03/2021   14:20:39   (   0.02, -75.26) (  -0.63, -72.34)  331.82                80
 02/05/2021   02:39:40   (  -0.01, -75.24) (  -0.40, -76.94)  193.49                80
 02/06/2021   02:16:20   (  -0.01, -75.25) (   0.73, -71.95)  376.69                80
 02/07/2021   14:35:12   (   0.00, -75.30) (   0.27, -76.51)  137.94                80
 02/08/2021   14:17:12   (   0.00, -75.31) (  -0.85, -71.52)  432.74                80
 02/10/2021   02:36:12   (  -0.00, -75.31) (  -0.16, -76.11)   91.42                80