Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 4 15.  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   (  81.14,-137.27) 04/16/2017   23:47:12  (  81.15,-137.25)    0.76                 8
 04/17/2017   00:36:46   ( -81.16,  30.65) 04/17/2017   00:37:52  ( -81.16,  30.56)    1.56                66
 04/19/2017   18:32:08   ( -81.12, 121.25) 04/19/2017   18:30:55  ( -81.13, 121.29)    0.96                73
 04/19/2017   19:21:33   (  81.15, -70.69) 04/19/2017   19:21:33  (  81.16, -70.54)    2.69                 0
 04/19/2017   20:10:56   ( -81.24,  98.37) 04/19/2017   20:12:10  ( -81.21,  98.44)    3.64                74
 04/22/2017   14:06:21   ( -81.13,-172.18) 04/22/2017   14:05:16  ( -81.14,-172.00)    3.24                65
 04/22/2017   14:55:46   (  81.16,  -4.14) 04/22/2017   14:55:55  (  81.15,  -4.22)    1.41                 9
 04/25/2017   09:40:33   ( -81.14,-105.64) 04/25/2017   09:39:37  ( -81.13,-105.68)    0.65                56
 04/25/2017   10:29:58   (  81.16,  62.37) 04/25/2017   10:30:15  (  81.16,  62.46)    1.57                17
 04/28/2017   05:14:46   ( -81.14, -39.15) 04/28/2017   05:13:58  ( -81.14, -39.00)    2.48                48