Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2018   17:44:10   (  -0.11,-128.53) (  -0.38,-127.34)  135.57                80
 12/31/2018   06:03:06   (   0.10,-128.54) (  -0.65,-131.94)  387.43                80
 01/01/2019   05:39:43   (   0.11,-128.52) (   0.44,-126.94)  179.79                80
 01/02/2019   17:58:32   (  -0.10,-128.47) (   0.55,-131.51)  345.12                80
 01/03/2019   17:40:29   (  -0.10,-128.46) (  -0.54,-126.50)  222.81                80
 01/05/2019   05:59:26   (   0.09,-128.46) (  -0.48,-131.10)  300.12                80
 01/06/2019   05:36:03   (   0.09,-128.44) (   0.61,-126.10)  266.61                80
 01/07/2019   17:54:50   (  -0.08,-128.38) (   0.44,-130.66)  259.96                80
 01/08/2019   17:36:49   (  -0.08,-128.36) (  -0.71,-125.67)  307.56                80
 01/10/2019   05:55:44   (   0.07,-128.37) (  -0.36,-130.25)  215.05                80
 01/11/2019   05:32:22   (   0.07,-128.34) (   0.73,-125.25)  351.36                80