Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 4 29.  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)
 04/30/2021   06:17:44   (  -0.05,-127.42) (  -0.84,-131.01)  409.13                80
 05/01/2021   05:54:25   (  -0.05,-127.37) (   0.27,-126.02)  154.77                80
 05/02/2021   18:13:16   (   0.04,-127.39) (   0.74,-130.58)  363.27                80
 05/03/2021   17:55:17   (   0.04,-127.34) (  -0.38,-125.58)  201.10                80
 05/05/2021   06:14:17   (  -0.04,-127.19) (  -0.68,-130.18)  340.21                80
 05/06/2021   05:50:56   (  -0.04,-127.14) (   0.38,-125.17)  223.66                80
 05/07/2021   18:09:48   (   0.04,-127.15) (   0.61,-129.74)  294.83                80
 05/08/2021   17:51:48   (   0.04,-127.10) (  -0.50,-124.74)  269.53                80
 05/10/2021   06:10:49   (  -0.03,-126.95) (  -0.56,-129.33)  271.46                80
 05/11/2021   05:47:29   (  -0.04,-126.90) (   0.56,-124.34)  292.00                80
 05/12/2021   18:06:19   (   0.03,-126.89) (   0.48,-128.89)  227.93                80