Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 9 16.  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)
 09/16/2021   17:09:46   (  -0.02,-137.20) (   0.24,-138.30)  125.99                80
 09/17/2021   16:51:45   (  -0.02,-137.20) (  -0.85,-133.32)  441.04                80
 09/19/2021   05:10:46   (   0.03,-137.20) (  -0.11,-137.97)   87.76                80
 09/20/2021   04:47:24   (   0.03,-137.19) (   0.92,-132.98)  479.24                80
 09/21/2021   17:06:15   (  -0.03,-137.19) (   0.05,-137.59)   44.91                80
 09/24/2021   05:07:14   (   0.03,-137.18) (   0.02,-137.24)    7.32                80
 09/26/2021   17:05:24   (  -0.02,-137.16) (  -0.09,-136.86)   33.76                80
 09/28/2021   05:24:23   (   0.02,-137.14) (  -0.93,-141.50)  496.32                80
 09/29/2021   05:01:03   (   0.02,-137.12) (   0.17,-136.52)   69.29                80