Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 6 18.  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)
 06/20/2017   16:16:24   (  81.21, -22.68) 06/20/2017   16:15:48  (  81.21, -22.69)    0.14                36
 06/20/2017   17:05:50   ( -81.23, 145.24) 06/20/2017   17:06:27  ( -81.23, 145.22)    0.34                37
 06/23/2017   11:50:40   (  81.21,  43.77) 06/23/2017   11:50:09  (  81.21,  43.61)    2.76                31
 06/23/2017   12:40:06   ( -81.23,-148.28) 06/23/2017   12:40:48  ( -81.22,-148.45)    2.95                42
 06/26/2017   07:24:55   (  81.21, 110.19) 06/26/2017   07:24:28  (  81.21, 110.27)    1.51                27
 06/26/2017   08:14:21   ( -81.23, -81.84) 06/26/2017   08:15:07  ( -81.23, -81.75)    1.38                46
 06/29/2017   02:59:11   (  81.21, 176.58) 06/29/2017   02:58:49  (  81.21, 176.54)    0.66                22
 06/29/2017   03:48:37   ( -81.23, -15.42) 06/29/2017   03:49:28  ( -81.23, -15.45)    0.54                51
 07/01/2017   22:33:26   (  81.23,-116.69) 07/01/2017   22:33:09  (  81.22,-116.82)    2.40                17