Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 1 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)
 01/28/2018   22:15:14   ( -80.96,  63.50) 01/28/2018   22:14:00  ( -81.11,  63.06)   18.45                74
 01/28/2018   23:04:26   (  81.30,-123.65) 01/28/2018   23:04:25  (  81.30,-123.58)    1.06                 1
 01/28/2018   23:53:52   ( -81.31,  44.26) 01/28/2018   23:55:04  ( -81.31,  44.39)    2.26                72
 01/31/2018   17:49:13   ( -81.27, 134.79) 01/31/2018   17:48:04  ( -81.28, 134.65)    2.44                69
 01/31/2018   18:38:38   (  81.30, -57.09) 01/31/2018   18:38:42  (  81.30, -56.93)    2.76                 4
 02/03/2018   13:23:26   ( -81.28,-158.66) 02/03/2018   13:22:22  ( -81.28,-158.70)    0.77                64
 02/03/2018   14:12:51   (  81.31,   9.43) 02/03/2018   14:13:01  (  81.30,   9.32)    1.88                10
 02/06/2018   08:57:39   ( -81.28, -92.15) 02/06/2018   08:56:40  ( -81.29, -92.07)    1.39                59
 02/06/2018   09:47:04   (  81.31,  75.91) 02/06/2018   09:47:19  (  81.30,  75.96)    0.83                15
 02/09/2018   04:31:51   ( -81.29, -25.67) 02/09/2018   04:30:58  ( -81.28, -25.83)    2.73                53