Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 4 17.  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)
 04/18/2017   06:16:44   ( -81.08, -55.52) 04/18/2017   06:15:50  ( -81.08, -55.61)    1.53                54
 04/18/2017   07:06:09   (  81.11, 112.57) 04/18/2017   07:06:28  (  81.11, 112.62)    1.01                19
 04/21/2017   01:50:56   ( -81.09,  11.08) 04/21/2017   01:50:10  ( -81.09,  11.08)    0.12                46
 04/21/2017   02:40:21   (  81.12, 179.15) 04/21/2017   02:40:48  (  81.12, 179.28)    2.40                27
 04/23/2017   21:25:09   ( -81.10,  77.65) 04/23/2017   21:24:31  ( -81.10,  77.77)    2.01                38
 04/23/2017   22:14:34   (  81.13,-114.31) 04/23/2017   22:15:10  (  81.12,-114.44)    2.46                36
 04/26/2017   16:59:22   ( -81.11, 144.19) 04/26/2017   16:58:53  ( -81.10, 144.06)    2.41                29
 04/26/2017   17:48:47   (  81.13, -47.79) 04/26/2017   17:49:31  (  81.13, -47.81)    0.50                44
 04/29/2017   12:33:34   ( -81.11,-149.30) 04/29/2017   12:33:13  ( -81.11,-149.29)    0.54                21