Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 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)
 09/04/2021   16:20:25   (  -0.06,-128.22) (  -0.71,-125.12)  351.95                80
 09/06/2021   04:36:46   (   0.10,-128.23) (  -0.22,-129.78)  176.32                80
 09/07/2021   04:18:45   (   0.08,-128.22) (   0.81,-124.79)  390.15                80
 09/08/2021   16:34:56   (  -0.12,-128.18) (   0.15,-129.40)  139.20                80
 09/09/2021   16:16:56   (  -0.09,-128.17) (  -0.94,-124.42)  427.34                80
 09/11/2021   04:33:16   (   0.13,-128.17) (  -0.04,-129.06)  101.26                80
 09/12/2021   04:15:14   (   0.11,-128.15) (   0.99,-124.07)  464.53                80
 09/13/2021   16:31:26   (  -0.14,-128.09) (  -0.02,-128.68)   66.51                80
 09/14/2021   16:13:24   (  -0.12,-128.07) (  -1.06,-123.69)  499.05                80
 09/16/2021   04:29:45   (   0.15,-128.07) (   0.09,-128.33)   30.42                80