Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 4 18.  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)
 04/21/2017   01:50:56   ( -81.10,  11.28) 04/21/2017   01:50:10  ( -81.10,  11.29)    0.54                46
 04/21/2017   02:40:22   (  81.11, 178.99) 04/21/2017   02:40:49  (  81.12, 179.12)    2.39                27
 04/23/2017   21:25:09   ( -81.09,  77.49) 04/23/2017   21:24:31  ( -81.10,  77.59)    1.97                38
 04/23/2017   22:14:34   (  81.12,-114.46) 04/23/2017   22:15:10  (  81.11,-114.61)    2.56                36
 04/26/2017   16:59:22   ( -81.10, 144.03) 04/26/2017   16:58:53  ( -81.09, 143.88)    2.51                29
 04/26/2017   17:48:47   (  81.12, -47.95) 04/26/2017   17:49:31  (  81.12, -47.98)    0.49                44
 04/29/2017   12:33:35   ( -81.10,-149.47) 04/29/2017   12:33:14  ( -81.10,-149.47)    0.07                21
 04/29/2017   13:23:00   (  81.12,  18.53) 04/29/2017   13:23:52  (  81.13,  18.64)    1.92                52
 05/02/2017   08:07:47   ( -81.10, -82.99) 05/02/2017   08:07:34  ( -81.11, -82.84)    2.68                13