Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 30.  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)
 12/31/2018   06:03:06   (   0.10,-128.54) (  -0.63,-131.94)  387.23                80
 01/01/2019   05:39:44   (   0.11,-128.52) (   0.45,-126.94)  179.99                80
 01/02/2019   17:58:31   (  -0.10,-128.47) (   0.59,-131.50)  344.52                80
 01/03/2019   17:40:30   (  -0.10,-128.46) (  -0.56,-126.51)  223.32                80
 01/05/2019   05:59:25   (   0.09,-128.46) (  -0.52,-131.09)  300.22                80
 01/06/2019   05:36:03   (   0.09,-128.44) (   0.63,-126.10)  266.53                80
 01/07/2019   17:54:51   (  -0.08,-128.38) (   0.42,-130.66)  259.57                80
 01/08/2019   17:36:48   (  -0.08,-128.36) (  -0.67,-125.66)  307.84                80
 01/10/2019   05:55:44   (   0.07,-128.36) (  -0.34,-130.26)  215.43                80
 01/11/2019   05:32:22   (   0.07,-128.34) (   0.75,-125.25)  350.96                80
 01/12/2019   17:51:09   (  -0.06,-128.27) (   0.31,-129.81)  176.62                80