Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2021   18:46:13   (   0.04,-137.21) (   0.49,-139.31)  239.37                80
 04/24/2021   18:28:15   (   0.04,-137.21) (  -0.62,-134.32)  329.39                80
 04/26/2021   06:47:16   (  -0.04,-137.19) (  -0.45,-138.91)  196.13                80
 04/27/2021   06:23:59   (  -0.04,-137.19) (   0.71,-133.93)  372.12                80
 04/28/2021   18:42:51   (   0.04,-137.18) (   0.34,-138.48)  148.32                80
 04/29/2021   18:24:53   (   0.04,-137.17) (  -0.77,-133.49)  419.36                80
 05/01/2021   06:43:55   (  -0.03,-137.14) (  -0.24,-138.09)  107.85                80
 05/02/2021   06:20:36   (  -0.03,-137.13) (   0.87,-133.10)  459.34                80
 05/03/2021   18:39:30   (   0.02,-137.11) (   0.12,-137.67)   62.37                80
 05/06/2021   06:40:33   (  -0.02,-137.07) (  -0.07,-137.26)   22.73                80