Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2017 2 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)
 02/18/2017   05:46:18   (  81.11, 132.80) 02/18/2017   05:46:10  (  81.10, 132.70)    1.95                 8
 02/18/2017   06:35:44   ( -81.13, -59.29) 02/18/2017   06:36:49  ( -81.12, -59.37)    1.51                65
 02/21/2017   00:31:06   ( -81.09,  31.26) 02/21/2017   00:29:52  ( -81.08,  31.29)    0.68                74
 02/21/2017   01:20:32   (  81.09,-161.01) 02/21/2017   01:20:32  (  81.10,-161.02)    0.48                 0
 02/21/2017   02:09:57   ( -81.14,   7.28) 02/21/2017   02:11:10  ( -81.13,   7.29)    0.50                73
 02/23/2017   20:05:20   ( -81.09,  97.79) 02/23/2017   20:04:14  ( -81.09,  97.95)    2.66                66
 02/23/2017   20:54:46   (  81.10, -94.51) 02/23/2017   20:54:54  (  81.11, -94.37)    2.45                 8
 02/26/2017   15:39:35   ( -81.07, 163.92) 02/26/2017   15:38:38  ( -81.07, 163.85)    1.36                57
 02/26/2017   16:29:00   (  81.10, -28.04) 02/26/2017   16:29:17  (  81.10, -28.12)    1.40                17
 03/01/2017   11:13:47   ( -81.10,-129.26) 03/01/2017   11:12:58  ( -81.10,-129.15)    1.96                49