Simultaneous Nadir Overpasses (SNOs) between GOES-16 and METOP-B
TLE Epoch: 2021 4 29.  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)
 04/30/2021   14:38:11   (   0.04, -75.21) (   0.51, -77.28)  236.60                80
 05/01/2021   14:20:12   (   0.04, -75.21) (  -0.61, -72.29)  332.43                80
 05/03/2021   02:39:14   (  -0.03, -75.19) (  -0.41, -76.89)  194.20                80
 05/04/2021   02:15:56   (  -0.03, -75.19) (   0.70, -71.90)  375.20                80
 05/05/2021   14:34:49   (   0.03, -75.23) (   0.29, -76.47)  140.28                80
 05/06/2021   14:16:51   (   0.03, -75.25) (  -0.83, -71.47)  429.94                80
 05/08/2021   02:35:53   (  -0.02, -75.24) (  -0.19, -76.08)   94.76                80
 05/09/2021   02:12:35   (  -0.02, -75.26) (   0.92, -71.08)  475.77                80
 05/10/2021   14:31:27   (   0.02, -75.31) (   0.12, -75.64)   38.47                80
 05/13/2021   02:29:51   (  -0.02, -75.33) (  -0.02, -75.25)    8.97                80