Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 6 20.  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)
 06/23/2017   11:50:39   (  81.22,  43.86) 06/23/2017   11:50:08  (  81.21,  43.69)    2.92                31
 06/23/2017   12:40:05   ( -81.23,-148.21) 06/23/2017   12:40:47  ( -81.23,-148.39)    3.13                42
 06/26/2017   07:24:55   (  81.22, 110.28) 06/26/2017   07:24:28  (  81.22, 110.35)    1.21                27
 06/26/2017   08:14:21   ( -81.24, -81.76) 06/26/2017   08:15:07  ( -81.23, -81.70)    1.09                46
 06/29/2017   02:59:11   (  81.21, 176.67) 06/29/2017   02:58:49  (  81.21, 176.60)    1.11                22
 06/29/2017   03:48:37   ( -81.23, -15.35) 06/29/2017   03:49:28  ( -81.23, -15.41)    1.14                51
 07/01/2017   22:33:26   (  81.21,-116.97) 07/01/2017   22:33:09  (  81.21,-117.16)    3.19                17
 07/01/2017   23:22:52   ( -81.23,  51.04) 07/01/2017   23:23:48  ( -81.23,  50.86)    3.02                56
 07/04/2017   18:07:41   (  81.22, -50.27) 07/04/2017   18:07:28  (  81.22, -50.17)    1.65                13