Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 4 18.  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)
 04/18/2021   17:37:37   (   0.04,-137.19) (   0.78,-140.65)  393.86                80
 04/19/2021   17:14:17   (   0.03,-137.18) (  -0.29,-135.66)  172.17                80
 04/21/2021   05:35:57   (  -0.03,-137.15) (  -0.72,-140.30)  358.57                80
 04/22/2021   05:12:37   (  -0.03,-137.14) (   0.36,-135.32)  207.13                80
 04/23/2021   17:31:28   (   0.03,-137.12) (   0.63,-139.92)  318.22                80
 04/24/2021   17:13:28   (   0.03,-137.11) (  -0.44,-134.94)  247.25                80
 04/26/2021   05:32:28   (  -0.03,-137.08) (  -0.56,-139.58)  284.44                80
 04/27/2021   05:09:07   (  -0.03,-137.06) (   0.51,-134.59)  280.54                80
 04/28/2021   17:27:59   (   0.03,-137.03) (   0.47,-139.20)  246.26                80
 04/29/2021   17:09:58   (   0.02,-137.00) (  -0.60,-134.21)  318.14                80
 05/01/2021   05:26:17   (  -0.02,-136.96) (  -0.46,-138.84)  215.23                80