Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 9 15.  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)
 09/15/2021   04:53:35   (   0.02,-137.20) (   0.76,-133.70)  398.09                80
 09/16/2021   17:09:46   (  -0.02,-137.20) (   0.21,-138.31)  125.78                80
 09/17/2021   16:51:46   (  -0.02,-137.20) (  -0.88,-133.33)  441.34                80
 09/19/2021   05:10:45   (   0.03,-137.20) (  -0.15,-137.96)   87.09                80
 09/20/2021   04:47:25   (   0.03,-137.20) (   0.95,-132.98)  479.97                80
 09/21/2021   17:06:15   (  -0.03,-137.20) (   0.08,-137.58)   44.17                80
 09/24/2021   05:04:34   (   0.03,-137.19) (  -0.01,-137.24)    6.49                80
 09/26/2021   17:05:25   (  -0.02,-137.17) (  -0.11,-136.87)   35.26                80
 09/28/2021   05:24:23   (   0.02,-137.15) (  -0.96,-141.49)  494.62                80