Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 5 13.  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)
 05/13/2021   17:17:42   (   0.05,-137.19) (   0.02,-137.07)   13.14                80
 05/16/2021   05:16:03   (  -0.04,-137.15) (   0.06,-136.73)   47.83                80
 05/17/2021   17:34:54   (   0.03,-137.14) (   0.96,-141.33)  478.07                80
 05/18/2021   17:16:55   (   0.03,-137.12) (  -0.15,-136.36)   87.12                80
 05/20/2021   05:33:15   (  -0.03,-137.09) (  -0.88,-141.00)  444.77                80
 05/21/2021   05:15:15   (  -0.02,-137.07) (   0.18,-136.01)  120.22                80
 05/22/2021   17:31:27   (   0.02,-137.05) (   0.79,-140.62)  406.64                80
 05/23/2021   17:13:26   (   0.02,-137.03) (  -0.27,-135.64)  157.94                80
 05/25/2021   05:29:47   (  -0.02,-136.98) (  -0.75,-140.27)  375.12                80
 05/26/2021   05:11:47   (  -0.01,-136.96) (   0.37,-135.30)  188.84                80