Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 7 19.  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)
 07/20/2021   17:13:05   (   0.03,-137.21) (  -0.03,-137.00)   24.78                80
 07/23/2021   05:11:25   (  -0.03,-137.19) (   0.11,-136.66)   60.92                80
 07/24/2021   17:27:37   (   0.02,-137.19) (   0.89,-141.26)  463.30                80
 07/25/2021   17:09:36   (   0.02,-137.18) (  -0.19,-136.28)  102.83                80
 07/27/2021   05:25:56   (   0.01,-137.16) (  -0.81,-140.92)  428.30                80
 07/28/2021   05:07:56   (   0.01,-137.15) (   0.27,-135.94)  137.83                80
 07/29/2021   17:24:07   (  -0.01,-137.15) (   0.73,-140.54)  386.59                80
 07/30/2021   17:06:07   (  -0.01,-137.14) (  -0.35,-135.56)  179.43                80
 08/01/2021   05:22:27   (   0.00,-137.11) (  -0.64,-140.20)  351.94                80
 08/02/2021   05:04:27   (  -0.00,-137.09) (   0.43,-135.22)  213.73                80