Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 24.  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)
 06/25/2021   04:50:29   (   0.13,-128.33) (  -0.39,-130.63)  262.25                80
 06/26/2021   04:27:10   (   0.13,-128.30) (   0.73,-125.65)  302.29                80
 06/27/2021   16:46:01   (  -0.14,-128.32) (   0.29,-130.26)  220.79                80
 06/28/2021   16:28:02   (  -0.14,-128.30) (  -0.83,-125.28)  344.49                80
 06/30/2021   04:47:01   (   0.14,-128.24) (  -0.22,-129.91)  190.50                80
 07/01/2021   04:23:40   (   0.15,-128.22) (   0.85,-124.93)  374.06                80
 07/02/2021   16:42:33   (  -0.15,-128.22) (   0.11,-129.54)  149.76                80
 07/03/2021   16:24:32   (  -0.15,-128.21) (  -0.96,-124.56)  415.40                80
 07/05/2021   04:43:32   (   0.15,-128.14) (  -0.09,-129.19)  119.36                80
 07/06/2021   04:20:11   (   0.15,-128.12) (   0.98,-124.21)  444.60                80
 07/07/2021   16:39:03   (  -0.15,-128.10) (  -0.02,-128.82)   81.04                80