Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 5 12.  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)
 05/15/2017   02:40:18   ( -81.20,   1.16) 05/15/2017   02:39:59  ( -81.21,   1.31)    2.61                19
 05/15/2017   03:29:44   (  81.21, 168.90) 05/15/2017   03:30:39  (  81.21, 168.88)    0.62                55
 05/17/2017   22:14:35   ( -81.21,  67.70) 05/17/2017   22:14:20  ( -81.21,  67.85)    2.47                15
 05/17/2017   23:04:01   (  81.21,-124.58) 05/17/2017   23:05:00  (  81.22,-124.59)    0.39                59
 05/20/2017   17:48:52   ( -81.21, 134.22) 05/20/2017   17:48:41  ( -81.21, 134.37)    2.58                11
 05/20/2017   18:38:18   (  81.22, -58.09) 05/20/2017   18:39:21  (  81.22, -58.07)    0.54                63
 05/23/2017   13:23:09   ( -81.22,-159.30) 05/23/2017   13:23:02  ( -81.22,-159.13)    2.92                 7
 05/23/2017   14:12:35   (  81.22,   8.37) 05/23/2017   14:13:42  (  81.22,   8.43)    1.18                67
 05/26/2017   08:57:26   ( -81.20, -93.21) 05/26/2017   08:57:24  ( -81.20, -93.40)    3.18                 2