Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 5 15.  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)
 05/17/2017   22:14:36   ( -81.20,  67.52) 05/17/2017   22:14:21  ( -81.21,  67.66)    2.46                15
 05/17/2017   23:04:01   (  81.23,-124.37) 05/17/2017   23:05:00  (  81.22,-124.37)    0.37                59
 05/20/2017   17:48:52   ( -81.20, 134.04) 05/20/2017   17:48:41  ( -81.21, 134.19)    2.55                11
 05/20/2017   18:38:17   (  81.23, -57.87) 05/20/2017   18:39:20  (  81.23, -57.85)    0.60                63
 05/23/2017   13:23:09   ( -81.21,-159.47) 05/23/2017   13:23:02  ( -81.21,-159.30)    2.93                 7
 05/23/2017   14:12:34   (  81.23,   8.60) 05/23/2017   14:13:41  (  81.23,   8.67)    1.21                67
 05/26/2017   08:57:26   ( -81.21, -93.00) 05/26/2017   08:57:24  ( -81.20, -93.17)    3.02                 2
 05/26/2017   09:46:51   (  81.23,  75.04) 05/26/2017   09:48:02  (  81.23,  75.17)    2.13                71
 05/29/2017   03:42:16   (  81.19, 165.39) 05/29/2017   03:41:05  (  81.18, 165.25)    2.43                71