Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 10 4.  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)
 10/05/2021   04:36:22   (   0.26,-127.83) (  -0.30,-130.44)  296.06                80
 10/06/2021   04:18:20   (   0.24,-127.87) (   0.75,-125.45)  275.30                80
 10/07/2021   16:34:32   (  -0.27,-127.93) (   0.22,-130.06)  243.16                80
 10/08/2021   16:16:31   (  -0.25,-127.96) (  -0.88,-125.08)  327.91                80
 10/10/2021   04:32:50   (   0.27,-128.00) (  -0.12,-129.72)  196.37                80
 10/11/2021   04:14:50   (   0.25,-128.02) (   0.98,-124.74)  374.05                80
 10/12/2021   16:31:01   (  -0.27,-128.06) (  -0.01,-129.35)  145.93                80
 10/13/2021   16:13:00   (  -0.25,-128.09) (  -1.06,-124.36)  424.27                80
 10/15/2021   04:29:19   (   0.28,-128.12) (   0.07,-129.00)  100.72                80
 10/16/2021   04:11:19   (   0.26,-128.14) (   1.18,-124.02)  469.29                80
 10/17/2021   16:27:30   (  -0.28,-128.18) (  -0.21,-128.63)   51.00                80