Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 11 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 11/10/2021   16:30:29   (  -0.28,-128.45) (   0.04,-130.00)  175.53                80
 11/11/2021   16:12:28   (  -0.27,-128.45) (  -1.02,-125.01)  391.63                80
 11/13/2021   04:28:46   (   0.28,-128.44) (  -0.01,-129.64)  137.98                80
 11/14/2021   04:10:46   (   0.27,-128.43) (   1.11,-124.67)  429.15                80
 11/15/2021   16:26:56   (  -0.28,-128.44) (  -0.11,-129.27)   94.21                80
 11/16/2021   16:08:54   (  -0.27,-128.44) (  -1.17,-124.28)  472.77                80
 11/18/2021   04:25:13   (   0.28,-128.42) (   0.14,-128.91)   57.23                80
 11/20/2021   16:23:23   (  -0.27,-128.41) (  -0.27,-128.54)   15.06                80
 11/23/2021   04:24:19   (   0.26,-128.37) (   0.30,-128.19)   20.46                80