Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 1 2.  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)
 01/03/2018   14:56:25   (  81.28,  -1.73) 01/03/2018   14:55:39  (  81.28,  -1.58)    2.62                46
 01/03/2018   15:45:51   ( -81.30, 166.18) 01/03/2018   15:46:19  ( -81.29, 166.18)    0.53                28
 01/06/2018   10:30:39   (  81.29,  64.75) 01/06/2018   10:29:58  (  81.28,  64.81)    0.99                41
 01/06/2018   11:20:06   ( -81.28,-127.68) 01/06/2018   11:20:39  ( -81.29,-127.81)    2.15                33
 01/09/2018   06:04:52   (  81.29, 131.20) 01/09/2018   06:04:16  (  81.28, 131.17)    0.61                36
 01/09/2018   06:54:19   ( -81.28, -61.21) 01/09/2018   06:54:56  ( -81.29, -61.05)    2.91                37
 01/12/2018   01:39:06   (  81.29,-162.39) 01/12/2018   01:38:35  (  81.28,-162.49)    1.62                31
 01/12/2018   02:28:32   ( -81.30,   5.60) 01/12/2018   02:29:14  ( -81.30,   5.68)    1.50                42
 01/14/2018   21:13:20   (  81.28, -96.02) 01/14/2018   21:12:54  (  81.28, -96.17)    2.45                26