Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 4 28.  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)
 04/28/2021   17:30:43   (   0.05,-137.21) (   0.50,-139.21)  228.74                80
 04/29/2021   17:07:24   (   0.04,-137.20) (  -0.60,-134.24)  337.53                80
 05/01/2021   05:29:04   (  -0.04,-137.17) (  -0.44,-138.87)  193.92                80
 05/02/2021   05:05:45   (  -0.04,-137.17) (   0.66,-133.89)  371.98                80
 05/03/2021   17:24:37   (   0.03,-137.17) (   0.30,-138.51)  152.10                80
 05/04/2021   17:03:56   (   0.03,-137.16) (  -0.74,-133.52)  413.74                80
 05/06/2021   05:25:38   (  -0.03,-137.13) (  -0.24,-138.17)  118.07                80
 05/07/2021   05:02:17   (  -0.03,-137.12) (   0.81,-133.18)  447.72                80
 05/08/2021   17:21:10   (   0.03,-137.11) (   0.15,-137.79)   76.70                80
 05/09/2021   17:03:09   (   0.03,-137.10) (  -0.90,-132.80)  488.84                80
 05/11/2021   05:22:09   (  -0.02,-137.06) (  -0.14,-137.44)   43.82                80