Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 5 13.  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   02:40:19   ( -81.20,   1.06) 05/15/2017   02:40:00  ( -81.20,   1.20)    2.52                19
 05/15/2017   03:29:44   (  81.23, 169.18) 05/15/2017   03:30:39  (  81.22, 169.17)    0.52                55
 05/17/2017   22:14:35   ( -81.20,  67.61) 05/17/2017   22:14:20  ( -81.21,  67.73)    2.13                15
 05/17/2017   23:04:00   (  81.23,-124.30) 05/17/2017   23:04:59  (  81.22,-124.31)    0.68                59
 05/20/2017   17:48:52   ( -81.21, 134.13) 05/20/2017   17:48:41  ( -81.21, 134.24)    1.91                11
 05/20/2017   18:38:18   (  81.21, -58.17) 05/20/2017   18:39:21  (  81.22, -58.19)    0.59                63
 05/23/2017   13:23:09   ( -81.21,-159.38) 05/23/2017   13:23:02  ( -81.21,-159.27)    1.82                 7
 05/23/2017   14:12:35   (  81.21,   8.30) 05/23/2017   14:13:42  (  81.22,   8.29)    0.54                67
 05/26/2017   08:57:25   ( -81.21, -92.91) 05/26/2017   08:57:22  ( -81.21, -92.80)    1.86                 3