Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-B
TLE Epoch: 2021 3 15.  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)
 03/15/2021   18:56:06   (   0.04,-137.21) (   0.89,-141.00)  431.98                80
 03/16/2021   18:32:46   (   0.04,-137.20) (  -0.25,-136.01)  136.52                80
 03/18/2021   06:54:25   (  -0.04,-137.18) (  -0.82,-140.59)  389.43                80
 03/19/2021   06:31:05   (  -0.03,-137.17) (   0.31,-135.60)  178.56                80
 03/20/2021   18:52:37   (   0.04,-137.16) (   0.72,-140.16)  342.24                80
 03/21/2021   18:29:17   (   0.03,-137.14) (  -0.42,-135.17)  225.26                80
 03/23/2021   06:50:55   (  -0.03,-137.10) (  -0.65,-139.75)  302.21                80
 03/24/2021   06:27:36   (  -0.03,-137.08) (   0.49,-134.76)  264.88                80
 03/25/2021   18:46:27   (   0.03,-137.06) (   0.54,-139.32)  257.30                80
 03/26/2021   18:28:28   (   0.03,-137.04) (  -0.60,-134.33)  309.52                80
 03/28/2021   06:44:46   (  -0.03,-136.99) (  -0.46,-138.91)  218.92                80