Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 1 1.  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)    2.67                46
 01/03/2018   15:45:52   ( -81.29, 165.93) 01/03/2018   15:46:20  ( -81.29, 165.92)    0.41                28
 01/06/2018   10:30:39   (  81.27,  64.49) 01/06/2018   10:29:58  (  81.28,  64.53)    0.97                41
 01/06/2018   11:20:05   ( -81.29,-127.56) 01/06/2018   11:20:38  ( -81.29,-127.69)    2.19                33
 01/09/2018   06:04:53   (  81.27, 130.94) 01/09/2018   06:04:17  (  81.28, 130.90)    0.88                36
 01/09/2018   06:54:19   ( -81.29, -61.09) 01/09/2018   06:54:56  ( -81.30, -60.93)    2.61                37
 01/12/2018   01:39:06   (  81.29,-162.27) 01/12/2018   01:38:35  (  81.28,-162.38)    2.03                31
 01/12/2018   02:28:33   ( -81.29,   5.35) 01/12/2018   02:29:15  ( -81.29,   5.41)    1.06                42
 01/14/2018   21:13:19   (  81.29, -95.89) 01/14/2018   21:12:53  (  81.28, -96.06)    2.94                26