Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 4 16.  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)
 04/16/2017   23:47:20   (  81.15,-137.14) 04/16/2017   23:47:12  (  81.15,-137.12)    0.50                 8
 04/17/2017   00:36:46   ( -81.17,  30.77) 04/17/2017   00:37:52  ( -81.17,  30.69)    1.48                66
 04/19/2017   18:32:08   ( -81.13, 121.37) 04/19/2017   18:30:55  ( -81.13, 121.42)    0.82                73
 04/19/2017   19:21:33   (  81.16, -70.55) 04/19/2017   19:21:33  (  81.16, -70.40)    2.62                 0
 04/19/2017   20:10:56   ( -81.25,  98.50) 04/19/2017   20:12:10  ( -81.21,  98.56)    4.05                74
 04/22/2017   14:06:20   ( -81.14,-172.05) 04/22/2017   14:05:15  ( -81.14,-171.87)    3.16                65
 04/22/2017   14:55:46   (  81.14,  -4.37) 04/22/2017   14:55:55  (  81.15,  -4.46)    1.61                 9
 04/25/2017   09:40:34   ( -81.12,-105.87) 04/25/2017   09:39:38  ( -81.13,-105.92)    0.95                56
 04/25/2017   10:29:59   (  81.15,  62.15) 04/25/2017   10:30:16  (  81.15,  62.23)    1.51                17
 04/28/2017   05:14:47   ( -81.13, -39.36) 04/28/2017   05:13:59  ( -81.14, -39.24)    2.36                48