Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 4 4.  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)
 04/05/2017   17:30:26   (  81.14, -42.94) 04/05/2017   17:29:45  (  81.15, -42.79)    2.61                41
 04/05/2017   18:19:52   ( -81.16, 124.99) 04/05/2017   18:20:25  ( -81.16, 125.00)    0.25                33
 04/08/2017   13:04:40   (  81.14,  23.44) 04/08/2017   13:04:07  (  81.15,  23.61)    3.06                33
 04/08/2017   13:54:06   ( -81.16,-168.61) 04/08/2017   13:54:47  ( -81.16,-168.56)    0.78                41
 04/11/2017   08:38:54   (  81.13,  89.79) 04/11/2017   08:38:30  (  81.13,  89.62)    2.79                24
 04/11/2017   09:28:20   ( -81.16,-102.24) 04/11/2017   09:29:09  ( -81.16,-102.15)    1.68                49
 04/14/2017   04:13:07   (  81.15, 156.46) 04/14/2017   04:12:51  (  81.14, 156.37)    1.63                16
 04/14/2017   05:02:32   ( -81.17, -35.54) 04/14/2017   05:03:29  ( -81.17, -35.37)    2.77                57
 04/16/2017   23:47:20   (  81.14,-137.26) 04/16/2017   23:47:12  (  81.14,-137.27)    0.46                 8