Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2015 5 21.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2015   19:39:45   (  81.10, -75.43) 05/21/2015   19:38:32  (  81.10, -75.24)    3.22                73
 05/21/2015   20:29:12   ( -81.10,  92.21) 05/21/2015   20:29:13  ( -81.10,  92.05)    2.85                 1
 05/21/2015   21:18:15   (  81.53, -91.68) 05/21/2015   21:19:29  (  81.32, -91.51)   24.04                74
 05/24/2015   15:14:00   (  81.09,  -9.06) 05/24/2015   15:12:52  (  81.09,  -9.15)    1.63                68
 05/24/2015   16:03:26   ( -81.12, 158.96) 05/24/2015   16:03:31  ( -81.11, 158.89)    1.29                 5
 05/27/2015   10:48:15   (  81.10,  57.53) 05/27/2015   10:47:11  (  81.10,  57.64)    1.80                64
 05/27/2015   11:37:41   ( -81.13,-134.43) 05/27/2015   11:37:50  ( -81.13,-134.32)    1.93                 9
 05/30/2015   06:22:30   (  81.10, 123.99) 05/30/2015   06:21:31  (  81.10, 123.99)    0.47                59
 05/30/2015   07:11:56   ( -81.13, -67.97) 05/30/2015   07:12:10  ( -81.12, -67.96)    0.56                14
 06/02/2015   01:56:44   (  81.09,-169.70) 06/02/2015   01:55:50  (  81.09,-169.71)    0.15                54