Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 11 12.  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)
 11/13/2021   04:28:46   (   0.28,-128.43) (   0.01,-129.65)  138.23                80
 11/14/2021   04:10:45   (   0.27,-128.43) (   1.07,-124.66)  428.79                80
 11/15/2021   16:26:55   (  -0.28,-128.44) (  -0.08,-129.26)   94.43                80
 11/16/2021   16:08:55   (  -0.27,-128.43) (  -1.20,-124.29)  472.49                80
 11/18/2021   04:25:13   (   0.28,-128.41) (   0.16,-128.92)   57.87                80
 11/20/2021   16:23:22   (  -0.27,-128.40) (  -0.24,-128.54)   15.45                80
 11/23/2021   04:24:19   (   0.26,-128.36) (   0.27,-128.18)   19.51                80
 11/25/2021   16:22:28   (  -0.25,-128.33) (  -0.35,-127.80)   59.92                80