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   18:08:39   (   0.27,-127.88) (   0.46,-128.89)  114.24                80
 04/02/2020   17:45:19   (   0.25,-127.84) (  -0.62,-123.89)  450.51                80
 04/04/2020   06:07:00   (  -0.27,-127.73) (  -0.42,-128.48)   85.36                80
 04/05/2020   05:43:40   (  -0.26,-127.69) (   0.67,-123.48)  479.11                80
 04/06/2020   18:05:12   (   0.27,-127.68) (   0.36,-128.04)   41.03                80
 04/09/2020   06:03:33   (  -0.28,-127.52) (  -0.32,-127.63)   13.27                80
 04/11/2020   18:01:46   (   0.28,-127.46) (   0.24,-127.20)   29.80                80
 04/14/2020   05:57:28   (  -0.27,-127.29) (  -0.16,-126.80)   55.75                80