Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2021   17:41:06   (   0.04,-137.20) (   0.94,-141.37)  474.27                80
 04/14/2021   17:17:46   (   0.03,-137.20) (  -0.13,-136.39)   92.83                80
 04/16/2021   05:39:26   (  -0.03,-137.19) (  -0.88,-141.03)  436.42                80
 04/17/2021   05:16:06   (  -0.03,-137.19) (   0.19,-136.04)  130.15                80
 04/18/2021   17:37:37   (   0.03,-137.19) (   0.80,-140.65)  394.02                80
 04/19/2021   17:14:18   (   0.03,-137.18) (  -0.33,-135.67)  172.10                80
 04/21/2021   05:35:57   (  -0.02,-137.15) (  -0.73,-140.30)  358.59                80
 04/22/2021   05:12:38   (  -0.02,-137.14) (   0.40,-135.33)  207.21                80
 04/23/2021   17:31:28   (   0.02,-137.13) (   0.65,-139.92)  318.06                80
 04/24/2021   17:13:27   (   0.02,-137.11) (  -0.43,-134.94)  247.48                80
 04/26/2021   05:32:28   (  -0.02,-137.08) (  -0.57,-139.58)  284.13                80