Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 9 12.  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)
 09/13/2017   01:45:21   (  81.23,-164.64) 09/13/2017   01:44:32  (  81.24,-164.49)    2.79                49
 09/13/2017   02:34:47   ( -81.25,   3.28) 09/13/2017   02:35:12  ( -81.25,   3.20)    1.32                25
 09/15/2017   21:19:34   (  81.25, -97.86) 09/15/2017   21:18:50  (  81.25, -97.74)    2.10                44
 09/15/2017   22:09:01   ( -81.25,  69.72) 09/15/2017   22:09:31  ( -81.25,  69.57)    2.44                30
 09/18/2017   16:53:49   (  81.24, -31.49) 09/18/2017   16:53:10  (  81.24, -31.39)    1.72                39
 09/18/2017   17:43:16   ( -81.24, 136.11) 09/18/2017   17:43:51  ( -81.24, 135.92)    3.16                35
 09/21/2017   12:28:04   (  81.24,  34.83) 09/21/2017   12:27:30  (  81.24,  34.94)    1.81                34
 09/21/2017   13:17:30   ( -81.26,-157.17) 09/21/2017   13:18:09  ( -81.26,-156.98)    3.25                39
 09/24/2017   08:02:17   (  81.25, 101.49) 09/24/2017   08:01:48  (  81.25, 101.63)    2.37                29