Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 4 23.  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)
 04/23/2018   08:32:19   (  81.32,  94.43) 04/23/2018   08:31:52  (  81.32,  94.54)    1.77                27
 04/23/2018   09:21:45   ( -81.34, -97.67) 04/23/2018   09:22:32  ( -81.33, -97.69)    0.56                47
 04/26/2018   04:06:33   (  81.32, 160.80) 04/26/2018   04:06:10  (  81.33, 160.95)    2.71                23
 04/26/2018   04:55:59   ( -81.33, -31.27) 04/26/2018   04:56:50  ( -81.33, -31.25)    0.38                51
 04/28/2018   23:40:46   (  81.33,-132.49) 04/28/2018   23:40:28  (  81.33,-132.64)    2.80                18
 04/29/2018   00:30:13   ( -81.33,  35.09) 04/29/2018   00:31:08  ( -81.34,  35.17)    1.53                55
 05/01/2018   19:14:59   (  81.33, -66.18) 05/01/2018   19:14:45  (  81.32, -66.25)    1.19                14
 05/01/2018   20:04:25   ( -81.35, 101.80) 05/01/2018   20:05:24  ( -81.34, 101.98)    2.97                59
 05/04/2018   14:49:13   (  81.32,   0.09) 05/04/2018   14:49:03  (  81.32,   0.13)    0.88                10