Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 9.  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)
 09/09/2021   16:16:55   (  -0.09,-128.18) (  -0.92,-124.41)  428.66                80
 09/11/2021   04:33:16   (   0.13,-128.18) (  -0.05,-129.06)   99.56                80
 09/12/2021   04:15:14   (   0.10,-128.17) (   0.98,-124.07)  466.47                80
 09/13/2021   16:31:25   (  -0.14,-128.12) (  -0.01,-128.68)   64.08                80
 09/16/2021   04:29:44   (   0.15,-128.10) (   0.07,-128.33)   27.54                80
 09/18/2021   16:30:35   (  -0.17,-128.01) (  -0.20,-127.96)    6.36                80
 09/21/2021   04:28:54   (   0.19,-128.00) (   0.27,-127.62)   43.21                80
 09/22/2021   16:45:05   (  -0.22,-127.93) (   0.70,-132.23)  489.10                80