Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 8.  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)
 12/09/2019   18:14:00   (  -0.15,-128.16) (   0.40,-130.60)  278.79                80
 12/10/2019   17:53:22   (  -0.16,-128.13) (  -0.73,-125.61)  287.19                80
 12/12/2019   06:12:23   (   0.15,-128.09) (  -0.30,-130.21)  240.50                80
 12/13/2019   05:49:04   (   0.15,-128.06) (   0.77,-125.21)  324.72                80
 12/14/2019   18:10:36   (  -0.14,-128.00) (   0.27,-129.76)  201.44                80
 12/15/2019   17:49:57   (  -0.14,-127.96) (  -0.85,-124.77)  363.69                80
 12/17/2019   06:08:59   (   0.12,-127.91) (  -0.17,-129.37)  164.94                80
 12/18/2019   05:45:39   (   0.13,-127.87) (   0.90,-124.36)  399.68                80
 12/19/2019   18:07:12   (  -0.12,-127.80) (   0.14,-128.92)  127.42                80
 12/20/2019   17:46:33   (  -0.12,-127.76) (  -0.99,-123.93)  437.26                80
 12/22/2019   06:05:33   (   0.11,-127.71) (  -0.10,-128.51)   91.81                80