Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 9 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)
 09/27/2021   14:38:10   (   0.09, -75.21) (   0.35, -76.42)  138.25                80
 09/28/2021   14:14:51   (   0.09, -75.21) (  -0.76, -71.43)  431.12                80
 09/30/2021   02:36:31   (  -0.10, -75.19) (  -0.28, -76.02)   94.48                80
 10/01/2021   02:13:12   (  -0.09, -75.19) (   0.83, -71.03)  475.08                80
 10/02/2021   14:34:43   (   0.10, -75.23) (   0.17, -75.59)   40.49                80
 10/05/2021   02:30:24   (  -0.11, -75.23) (  -0.09, -75.18)    4.88                80
 10/07/2021   14:28:36   (   0.11, -75.28) (  -0.01, -74.75)   60.46                80
 10/09/2021   02:50:16   (  -0.12, -75.27) (  -1.02, -79.34)  463.40                80
 10/10/2021   02:26:57   (  -0.12, -75.29) (   0.10, -74.35)  107.10                80