Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 4 3.  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   17:30:27   (  81.14, -43.02) 04/05/2017   17:29:46  (  81.14, -42.88)    2.55                41
 04/05/2017   18:19:53   ( -81.16, 124.91) 04/05/2017   18:20:26  ( -81.16, 124.92)    0.23                33
 04/08/2017   13:04:40   (  81.13,  23.36) 04/08/2017   13:04:07  (  81.14,  23.53)    2.98                33
 04/08/2017   13:54:06   ( -81.16,-168.68) 04/08/2017   13:54:47  ( -81.16,-168.64)    0.73                41
 04/11/2017   08:38:54   (  81.13,  89.71) 04/11/2017   08:38:30  (  81.13,  89.54)    3.00                24
 04/11/2017   09:28:19   ( -81.18,-101.93) 04/11/2017   09:29:08  ( -81.17,-101.85)    1.51                49
 04/14/2017   04:13:07   (  81.15, 156.40) 04/14/2017   04:12:51  (  81.14, 156.29)    1.88                16
 04/14/2017   05:02:33   ( -81.17, -35.59) 04/14/2017   05:03:30  ( -81.17, -35.45)    2.47                57
 04/16/2017   23:47:20   (  81.14,-137.31) 04/16/2017   23:47:12  (  81.14,-137.35)    0.76                 8