Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 5.  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)
 09/06/2021   04:36:46   (   0.10,-128.23) (  -0.22,-129.78)  176.05                80
 09/07/2021   04:18:45   (   0.08,-128.22) (   0.81,-124.79)  390.49                80
 09/08/2021   16:34:56   (  -0.12,-128.18) (   0.16,-129.40)  138.76                80
 09/09/2021   16:16:56   (  -0.09,-128.17) (  -0.93,-124.42)  427.86                80
 09/11/2021   04:33:16   (   0.13,-128.18) (  -0.04,-129.06)  100.62                80
 09/12/2021   04:15:14   (   0.10,-128.16) (   0.99,-124.07)  465.23                80
 09/13/2021   16:31:26   (  -0.14,-128.10) (  -0.02,-128.68)   65.70                80
 09/14/2021   16:13:24   (  -0.12,-128.08) (  -1.05,-123.69)  499.93                80
 09/16/2021   04:29:44   (   0.15,-128.08) (   0.08,-128.33)   29.46                80
 09/18/2021   16:30:35   (  -0.17,-127.99) (  -0.21,-127.96)    4.73                80