Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 4 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)
 04/01/2020   18:08:38   (   0.27,-127.88) (   0.49,-128.88)  114.31                80
 04/02/2020   17:45:19   (   0.25,-127.84) (  -0.60,-123.88)  450.33                80
 04/04/2020   06:06:59   (  -0.27,-127.73) (  -0.44,-128.47)   85.48                80
 04/05/2020   05:43:41   (  -0.26,-127.68) (   0.70,-123.49)  478.92                80
 04/06/2020   18:05:12   (   0.27,-127.68) (   0.38,-128.04)   41.54                80
 04/09/2020   06:03:34   (  -0.28,-127.52) (  -0.28,-127.64)   13.76                80
 04/11/2020   17:59:07   (   0.27,-127.46) (   0.21,-127.20)   28.94                80
 04/14/2020   05:57:28   (  -0.27,-127.28) (  -0.18,-126.79)   55.05                80