Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 06/10/2020   18:05:04   (   0.12,-127.88) (   0.34,-128.94)  120.37                80
 06/11/2020   17:47:03   (   0.12,-127.85) (  -0.73,-123.94)  445.72                80
 06/13/2020   06:06:03   (  -0.11,-127.76) (  -0.28,-128.53)   88.63                80
 06/14/2020   05:42:44   (  -0.11,-127.72) (   0.84,-123.54)  477.06                80
 06/15/2020   18:01:35   (   0.10,-127.72) (   0.16,-128.11)   43.26                80
 06/18/2020   06:02:35   (  -0.10,-127.59) (  -0.09,-127.70)   12.47                80
 06/20/2020   18:00:46   (   0.09,-127.53) (   0.03,-127.26)   30.92                80
 06/23/2020   05:56:26   (  -0.08,-127.38) (   0.05,-126.86)   60.14                80