Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 2 21.  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)
 02/24/2018   06:27:47   (  -0.03,-135.43) (  -0.02,-135.50)    7.95                80
 02/26/2018   18:25:55   (   0.03,-135.40) (  -0.03,-135.05)   39.04                80
 02/28/2018   06:44:54   (  -0.03,-135.39) (  -0.99,-139.65)  485.82                80
 03/01/2018   06:21:33   (  -0.03,-135.38) (   0.14,-134.66)   82.29                80
 03/02/2018   18:40:22   (   0.03,-135.36) (   0.88,-139.22)  440.17                80
 03/03/2018   18:22:21   (   0.03,-135.34) (  -0.20,-134.22)  127.93                80
 03/05/2018   06:38:39   (  -0.03,-135.33) (  -0.82,-138.82)  397.27                80
 03/06/2018   06:17:59   (  -0.04,-135.32) (   0.31,-133.83)  170.43                80
 03/07/2018   18:36:48   (   0.03,-135.29) (   0.70,-138.39)  352.99                80