Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 7.  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) (   0.85,-124.79)  390.73                80
 09/08/2021   16:34:57   (  -0.12,-128.18) (   0.12,-129.41)  138.35                80
 09/09/2021   16:16:55   (  -0.09,-128.18) (  -0.91,-124.41)  428.41                80
 09/11/2021   04:33:15   (   0.13,-128.18) (  -0.07,-129.06)   99.89                80
 09/12/2021   04:15:15   (   0.10,-128.16) (   1.02,-124.08)  466.05                80
 09/13/2021   16:31:25   (  -0.14,-128.11) (   0.00,-128.67)   64.72                80
 09/16/2021   04:29:45   (   0.15,-128.09) (   0.12,-128.34)   28.28                80
 09/18/2021   16:30:35   (  -0.17,-128.00) (  -0.19,-127.96)    5.19                80