Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 4 27.  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)
 04/27/2021   18:16:43   (   0.06,-127.61) (   0.93,-131.41)  432.68                80
 04/28/2021   17:58:44   (   0.06,-127.57) (  -0.18,-126.41)  132.18                80
 04/30/2021   06:17:44   (  -0.05,-127.42) (  -0.86,-131.01)  408.79                80
 05/01/2021   05:54:24   (  -0.05,-127.37) (   0.25,-126.01)  155.09                80
 05/02/2021   18:13:16   (   0.04,-127.39) (   0.76,-130.57)  363.37                80
 05/03/2021   17:55:16   (   0.05,-127.34) (  -0.36,-125.58)  200.98                80
 05/05/2021   06:14:17   (  -0.04,-127.19) (  -0.69,-130.17)  339.85                80
 05/06/2021   05:50:57   (  -0.05,-127.14) (   0.42,-125.18)  224.01                80
 05/07/2021   18:09:47   (   0.04,-127.15) (   0.63,-129.73)  294.93                80
 05/08/2021   17:51:48   (   0.04,-127.10) (  -0.48,-124.74)  269.43                80
 05/10/2021   06:10:48   (  -0.04,-126.95) (  -0.57,-129.33)  271.09                80