Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 10 10.  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)
 10/10/2021   17:12:51   (  -0.04,-137.20) (   0.50,-139.68)  281.95                80
 10/11/2021   16:54:50   (  -0.03,-137.19) (  -0.60,-134.70)  284.30                80
 10/13/2021   05:11:09   (   0.03,-137.17) (  -0.46,-139.33)  245.79                80
 10/14/2021   04:53:08   (   0.03,-137.16) (   0.65,-134.35)  320.10                80
 10/15/2021   17:09:18   (  -0.03,-137.14) (   0.38,-138.95)  205.87                80
 10/16/2021   16:51:18   (  -0.03,-137.13) (  -0.72,-133.97)  359.97                80
 10/18/2021   05:07:36   (   0.03,-137.11) (  -0.33,-138.60)  170.36                80
 10/19/2021   04:49:36   (   0.03,-137.09) (   0.78,-133.62)  395.35                80
 10/20/2021   17:05:46   (  -0.03,-137.07) (   0.25,-138.22)  131.14                80
 10/21/2021   16:47:46   (  -0.03,-137.05) (  -0.86,-133.24)  434.27                80
 10/23/2021   05:04:04   (   0.03,-137.02) (  -0.19,-137.87)   96.99                80