Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 8 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)
 08/21/2017   14:00:46   ( -81.24,-168.34) 08/21/2017   14:00:34  ( -81.24,-168.17)    2.92                12
 08/21/2017   14:50:12   (  81.24,  -0.60) 08/21/2017   14:51:14  (  81.24,  -0.73)    2.12                62
 08/24/2017   09:35:01   ( -81.23,-101.95) 08/24/2017   09:34:54  ( -81.23,-102.02)    1.23                 7
 08/24/2017   10:24:26   (  81.26,  66.14) 08/24/2017   10:25:32  (  81.26,  66.17)    0.73                66
 08/27/2017   05:09:17   ( -81.23, -35.59) 08/27/2017   05:09:14  ( -81.24, -35.51)    1.64                 3
 08/27/2017   05:58:42   (  81.25, 132.46) 08/27/2017   05:59:53  (  81.25, 132.28)    3.13                71
 08/29/2017   23:54:06   (  81.22,-136.93) 08/29/2017   23:52:54  (  81.22,-136.87)    1.02                72
 08/30/2017   00:43:32   ( -81.24,  31.10) 08/30/2017   00:43:34  ( -81.24,  30.99)    2.00                 2
 08/30/2017   01:32:14   (  81.81,-143.34) 08/30/2017   01:33:27  (  81.28,-143.11)   58.77                73
 09/01/2017   19:28:20   (  81.23, -70.30) 09/01/2017   19:27:13  (  81.23, -70.41)    2.03                67