Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 11.  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)
 12/12/2019   06:12:23   (   0.15,-128.09) (  -0.31,-130.21)  240.52                80
 12/13/2019   05:49:04   (   0.15,-128.06) (   0.81,-125.21)  324.80                80
 12/14/2019   18:07:57   (  -0.14,-128.01) (   0.23,-129.77)  200.57                80
 12/15/2019   17:49:57   (  -0.14,-127.97) (  -0.84,-124.77)  364.69                80
 12/17/2019   06:08:58   (   0.12,-127.92) (  -0.19,-129.36)  164.35                80
 12/18/2019   05:45:40   (   0.13,-127.88) (   0.94,-124.37)  400.38                80
 12/19/2019   18:07:11   (  -0.12,-127.82) (   0.15,-128.92)  125.93                80
 12/20/2019   17:46:33   (  -0.12,-127.78) (  -0.98,-123.93)  438.89                80
 12/22/2019   06:05:34   (   0.11,-127.72) (  -0.05,-128.52)   90.57                80
 12/23/2019   05:42:15   (   0.12,-127.68) (   1.02,-123.52)  473.66                80
 12/24/2019   18:03:47   (  -0.10,-127.61) (   0.01,-128.08)   53.69                80