Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 3 13.  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)
 03/13/2021   14:31:32   (   0.03, -75.21) (   0.10, -75.64)   48.24                80
 03/16/2021   02:32:31   (  -0.03, -75.19) (  -0.04, -75.23)    4.11                80
 03/18/2021   14:30:43   (   0.03, -75.24) (  -0.06, -74.80)   50.42                80
 03/20/2021   02:49:42   (  -0.03, -75.23) (  -0.95, -79.39)  474.48                80
 03/21/2021   02:26:22   (  -0.03, -75.24) (   0.13, -74.39)   95.64                80
 03/22/2021   14:45:14   (   0.03, -75.28) (   0.84, -78.96)  419.64                80
 03/23/2021   14:27:14   (   0.03, -75.29) (  -0.30, -73.97)  150.85                80
 03/25/2021   02:46:13   (  -0.02, -75.28) (  -0.77, -78.55)  373.33                80
 03/26/2021   02:22:53   (  -0.02, -75.29) (   0.37, -73.56)  197.30                80