Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 8 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)
 08/08/2021   04:39:47   (   0.15,-128.07) (  -0.09,-129.13)  120.95                80
 08/09/2021   04:16:27   (   0.17,-128.08) (   1.05,-124.16)  447.23                80
 08/10/2021   16:37:57   (  -0.15,-128.08) (  -0.01,-128.75)   76.89                80
 08/11/2021   16:14:37   (  -0.17,-128.10) (  -1.09,-123.77)  491.96                80
 08/13/2021   04:36:17   (   0.14,-128.16) (   0.10,-128.41)   29.06                80
 08/15/2021   16:34:27   (  -0.14,-128.15) (  -0.15,-128.03)   13.08                80
 08/18/2021   04:30:07   (   0.13,-128.21) (   0.24,-127.69)   59.13                80
 08/19/2021   16:51:37   (  -0.10,-128.17) (   0.80,-132.29)  468.92                80
 08/20/2021   16:28:18   (  -0.13,-128.18) (  -0.35,-127.32)   98.53                80