Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 6.  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)
 09/07/2021   04:18:45   (   0.08,-128.22) (   0.81,-124.79)  390.64                80
 09/08/2021   16:34:56   (  -0.12,-128.18) (   0.16,-129.40)  138.53                80
 09/09/2021   16:16:55   (  -0.09,-128.17) (  -0.93,-124.42)  428.15                80
 09/11/2021   04:33:16   (   0.13,-128.18) (  -0.05,-129.06)  100.23                80
 09/12/2021   04:15:14   (   0.10,-128.16) (   0.99,-124.07)  465.66                80
 09/13/2021   16:31:26   (  -0.14,-128.11) (  -0.02,-128.68)   65.18                80
 09/16/2021   04:29:44   (   0.15,-128.08) (   0.08,-128.33)   28.81                80
 09/18/2021   16:27:54   (  -0.17,-128.00) (  -0.15,-127.95)    5.42                80