Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 12 2.  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)
 12/03/2018   05:41:01   (   0.21,-128.49) (   0.53,-126.96)  174.72                80
 12/04/2018   17:59:50   (  -0.20,-128.53) (   0.44,-131.53)  340.37                80
 12/05/2018   17:41:47   (  -0.21,-128.55) (  -0.64,-126.52)  230.92                80
 12/07/2018   06:00:44   (   0.20,-128.56) (  -0.36,-131.13)  291.84                80
 12/08/2018   05:37:22   (   0.20,-128.57) (   0.72,-126.12)  278.13                80
 12/09/2018   17:56:10   (  -0.19,-128.59) (   0.26,-130.69)  238.68                80
 12/10/2018   17:38:08   (  -0.19,-128.61) (  -0.82,-125.69)  332.09                80
 12/12/2018   05:57:05   (   0.17,-128.62) (  -0.17,-130.30)  190.45                80
 12/13/2018   05:33:43   (   0.18,-128.62) (   0.91,-125.29)  379.07                80
 12/14/2018   17:52:30   (  -0.17,-128.63) (   0.13,-129.85)  139.32                80
 12/15/2018   17:34:29   (  -0.17,-128.64) (  -1.01,-124.86)  430.99                80