Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 12 27.  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)
 12/28/2017   23:47:57   (  81.28,-134.60) 12/28/2017   23:47:02  (  81.28,-134.57)    0.69                55
 12/29/2017   00:37:24   ( -81.28,  32.95) 12/29/2017   00:37:43  ( -81.28,  32.83)    2.06                19
 12/31/2017   19:22:12   (  81.27, -68.43) 12/31/2017   19:21:22  (  81.27, -68.53)    1.81                50
 12/31/2017   20:11:38   ( -81.29,  99.52) 12/31/2017   20:12:01  ( -81.29,  99.65)    2.26                23
 01/03/2018   14:56:25   (  81.27,  -1.92) 01/03/2018   14:55:39  (  81.28,  -1.74)    3.16                46
 01/03/2018   15:45:51   ( -81.29, 166.05) 01/03/2018   15:46:19  ( -81.29, 166.07)    0.29                28
 01/06/2018   10:30:39   (  81.27,  64.54) 01/06/2018   10:29:58  (  81.28,  64.65)    1.87                41
 01/06/2018   11:20:05   ( -81.29,-127.46) 01/06/2018   11:20:38  ( -81.29,-127.54)    1.29                33
 01/09/2018   06:04:53   (  81.27, 130.96) 01/09/2018   06:04:17  (  81.28, 131.01)    1.09                36