Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 4 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)
 04/19/2017   18:32:07   ( -81.13, 121.43) 04/19/2017   18:30:54  ( -81.13, 121.47)    0.76                73
 04/19/2017   19:21:32   (  81.16, -70.48) 04/19/2017   19:21:32  (  81.16, -70.33)    2.54                 0
 04/19/2017   20:10:56   ( -81.23,  98.18) 04/19/2017   20:12:10  ( -81.20,  98.24)    2.99                74
 04/22/2017   14:06:20   ( -81.14,-171.99) 04/22/2017   14:05:15  ( -81.14,-171.81)    2.97                65
 04/22/2017   14:55:46   (  81.15,  -4.28) 04/22/2017   14:55:55  (  81.15,  -4.39)    1.78                 9
 04/25/2017   09:40:34   ( -81.13,-105.79) 04/25/2017   09:39:38  ( -81.13,-105.86)    1.20                56
 04/25/2017   10:29:59   (  81.15,  62.25) 04/25/2017   10:30:16  (  81.16,  62.30)    0.99                17
 04/28/2017   05:14:46   ( -81.13, -39.27) 04/28/2017   05:13:58  ( -81.14, -39.18)    1.68                48
 04/28/2017   06:04:11   (  81.16, 128.74) 04/28/2017   06:04:37  (  81.15, 128.59)    2.59                26
 05/01/2017   00:48:59   ( -81.14,  27.22) 05/01/2017   00:48:20  ( -81.13,  27.11)    1.80                39