Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2021   17:51:05   (  -0.20,-128.23) (  -0.99,-124.83)  388.67                80
 09/03/2021   06:07:25   (   0.23,-128.26) (  -0.00,-129.43)  133.05                80
 09/04/2021   05:49:25   (   0.21,-128.25) (   1.09,-124.43)  435.68                80
 09/05/2021   18:05:35   (  -0.25,-128.20) (  -0.08,-128.99)   90.52                80
 09/06/2021   17:47:34   (  -0.23,-128.19) (  -1.18,-123.99)  478.24                80
 09/08/2021   06:03:55   (   0.26,-128.21) (   0.18,-128.60)   43.86                80
 09/10/2021   18:04:44   (  -0.28,-128.13) (  -0.28,-128.16)    3.06                80
 09/13/2021   06:03:04   (   0.28,-128.13) (   0.37,-127.76)   42.24                80
 09/14/2021   18:19:14   (  -0.31,-128.05) (   0.67,-132.31)  486.52                80