Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2018   06:39:43   (   0.16,-135.03) (  -0.31,-137.27)  254.47                80
 05/30/2018   06:19:03   (   0.17,-135.00) (   0.78,-132.27)  310.84                80
 05/31/2018   18:37:53   (  -0.17,-134.98) (   0.26,-136.83)  210.76                80
 06/01/2018   18:14:34   (  -0.18,-134.95) (  -0.88,-131.84)  354.03                80
 06/03/2018   06:36:12   (   0.17,-134.84) (  -0.19,-136.43)  180.49                80
 06/04/2018   06:12:53   (   0.18,-134.80) (   0.96,-131.44)  384.09                80
 06/05/2018   18:34:23   (  -0.18,-134.78) (   0.09,-135.99)  138.32                80
 06/06/2018   18:11:02   (  -0.19,-134.74) (  -1.00,-130.99)  425.87                80
 06/08/2018   06:32:41   (   0.18,-134.63) (  -0.06,-135.58)  109.49                80
 06/09/2018   06:09:21   (   0.19,-134.58) (   1.09,-130.59)  454.49                80
 06/10/2018   18:30:52   (  -0.18,-134.55) (  -0.03,-135.15)   68.93                80
 06/11/2018   18:07:31   (  -0.19,-134.49) (  -1.13,-130.15)  494.39                80