Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 12 14.  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)
 12/15/2019   17:49:57   (  -0.14,-127.98) (  -0.84,-124.77)  365.30                80
 12/17/2019   06:08:58   (   0.12,-127.92) (  -0.18,-129.36)  163.91                80
 12/18/2019   05:45:40   (   0.13,-127.89) (   0.94,-124.37)  400.98                80
 12/19/2019   18:07:11   (  -0.12,-127.83) (   0.15,-128.92)  124.67                80
 12/20/2019   17:45:09   (  -0.12,-127.79) (  -0.98,-123.93)  440.29                 4
 12/22/2019   06:05:34   (   0.11,-127.73) (  -0.05,-128.52)   89.40                80
 12/23/2019   05:42:15   (   0.12,-127.69) (   1.02,-123.52)  475.00                80
 12/24/2019   18:03:47   (  -0.10,-127.63) (   0.01,-128.08)   51.68                80
 12/27/2019   06:02:09   (   0.09,-127.52) (   0.04,-127.67)   17.79                80