Simultaneous Nadir Overpasses (SNOs) between GOES-17 and METOP-A
TLE Epoch: 2021 12 21.  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)
 12/22/2021   05:09:11   (   0.04,-137.20) (  -0.15,-137.92)   82.86                80
 12/24/2021   16:55:01   (  -0.03,-137.21) (  -0.63,-134.37)  322.44                80
 12/25/2021   05:11:15   (   0.03,-137.19) (  -0.22,-138.28)  123.97                80
 12/27/2021   16:56:53   (  -0.03,-137.20) (  -0.58,-134.69)  285.82                80
 12/28/2021   05:13:18   (   0.03,-137.18) (  -0.31,-138.63)  166.14                80
 12/30/2021   16:58:43   (  -0.03,-137.16) (  -0.52,-134.99)  247.77                80
 12/31/2021   05:15:20   (   0.02,-137.14) (  -0.37,-138.99)  209.96                80
 01/02/2022   17:00:32   (  -0.01,-137.11) (  -0.39,-135.28)  208.02                80
 01/03/2022   05:17:21   (   0.01,-137.09) (  -0.49,-139.33)  255.24                80