Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2015 4 21.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2015   10:17:38   (  81.14,  65.11) 04/22/2015   10:17:34  (  81.14,  65.19)    1.29                 4
 04/22/2015   11:07:04   ( -81.16,-126.95) 04/22/2015   11:08:14  ( -81.16,-127.06)    2.11                70
 04/25/2015   05:02:27   ( -81.11, -36.60) 04/25/2015   05:01:15  ( -81.11, -36.51)    1.62                72
 04/25/2015   05:51:52   (  81.14, 131.46) 04/25/2015   05:51:54  (  81.13, 131.32)    2.48                 2
 04/25/2015   06:40:42   ( -81.76, -46.37) 04/25/2015   06:41:56  ( -81.36, -46.10)   44.61                74
 04/28/2015   00:36:40   ( -81.12,  29.96) 04/28/2015   00:35:34  ( -81.11,  29.91)    1.07                66
 04/28/2015   01:26:05   (  81.15,-161.99) 04/28/2015   01:26:12  (  81.15,-161.89)    1.79                 7
 04/30/2015   20:10:52   ( -81.12,  96.37) 04/30/2015   20:09:52  ( -81.11,  96.23)    2.39                60
 04/30/2015   21:00:17   (  81.14, -95.61) 04/30/2015   21:00:30  (  81.14, -95.58)    0.54                13
 05/03/2015   15:45:05   ( -81.10, 162.60) 05/03/2015   15:44:11  ( -81.10, 162.45)    2.65                54