Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 24.  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)
 01/26/2018   06:28:26   (  -0.01,-134.99) (  -0.12,-135.47)   54.54                80
 01/28/2018   18:26:36   (   0.00,-135.06) (  -0.00,-135.04)    2.07                80
 01/31/2018   06:22:14   (  -0.01,-135.15) (   0.12,-134.65)   57.63                80
 02/01/2018   18:41:03   (   0.03,-135.17) (   0.94,-139.20)  459.41                80
 02/02/2018   18:23:03   (   0.03,-135.20) (  -0.19,-134.21)  112.92                80
 02/04/2018   06:42:01   (  -0.03,-135.26) (  -0.82,-138.81)  404.20                80
 02/05/2018   06:18:41   (  -0.02,-135.29) (   0.30,-133.82)  167.65                80
 02/06/2018   18:37:31   (   0.02,-135.30) (   0.70,-138.38)  350.41                80
 02/07/2018   18:19:31   (   0.02,-135.33) (  -0.43,-133.39)  221.44                80