Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 1 3.  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   14:56:26   (  81.27,  -2.00) 01/03/2018   14:55:40  (  81.28,  -1.85)    2.73                46
 01/03/2018   15:45:52   ( -81.28, 165.91) 01/03/2018   15:46:20  ( -81.29, 165.91)    0.45                28
 01/06/2018   10:30:39   (  81.27,  64.48) 01/06/2018   10:29:58  (  81.28,  64.55)    1.28                41
 01/06/2018   11:20:05   ( -81.29,-127.58) 01/06/2018   11:20:38  ( -81.29,-127.69)    1.77                33
 01/09/2018   06:04:53   (  81.27, 130.92) 01/09/2018   06:04:17  (  81.28, 130.92)    0.62                36
 01/09/2018   06:54:19   ( -81.29, -61.12) 01/09/2018   06:54:57  ( -81.29, -61.31)    3.19                38
 01/12/2018   01:39:06   (  81.29,-162.30) 01/12/2018   01:38:35  (  81.29,-162.34)    0.85                31
 01/12/2018   02:28:33   ( -81.29,   5.31) 01/12/2018   02:29:15  ( -81.30,   5.44)    2.38                42
 01/14/2018   21:13:19   (  81.29, -95.94) 01/14/2018   21:12:53  (  81.28, -96.00)    1.05                26