Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 6 10.  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)
 06/11/2020   17:47:04   (   0.12,-127.85) (  -0.78,-123.95)  445.70                80
 06/13/2020   06:06:03   (  -0.11,-127.76) (  -0.29,-128.53)   88.76                80
 06/14/2020   05:42:44   (  -0.11,-127.72) (   0.84,-123.54)  476.89                80
 06/15/2020   18:01:35   (   0.10,-127.72) (   0.16,-128.11)   43.46                80
 06/18/2020   06:02:35   (  -0.10,-127.59) (  -0.09,-127.70)   12.82                80
 06/20/2020   18:00:46   (   0.09,-127.53) (   0.03,-127.26)   30.48                80
 06/23/2020   05:56:26   (  -0.08,-127.38) (   0.05,-126.86)   59.54                80