Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 8.  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)
 09/08/2021   16:34:56   (  -0.12,-128.19) (   0.13,-129.40)  138.23                80
 09/09/2021   16:16:55   (  -0.09,-128.18) (  -0.90,-124.41)  428.57                80
 09/11/2021   04:33:15   (   0.13,-128.18) (  -0.08,-129.05)   99.71                80
 09/12/2021   04:15:15   (   0.10,-128.17) (   1.01,-124.07)  466.29                80
 09/13/2021   16:31:26   (  -0.14,-128.11) (  -0.04,-128.68)   64.42                80
 09/16/2021   04:29:45   (   0.15,-128.09) (   0.11,-128.34)   27.73                80
 09/18/2021   16:30:35   (  -0.17,-128.01) (  -0.17,-127.96)    5.91                80
 09/21/2021   04:28:54   (   0.19,-127.99) (   0.24,-127.61)   42.74                80