Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 9 17.  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)
 09/18/2017   16:53:52   (  81.23, -31.72) 09/18/2017   16:53:10  (  81.24, -31.55)    3.01                42
 09/18/2017   17:43:18   ( -81.25, 136.22) 09/18/2017   17:43:50  ( -81.25, 136.11)    1.91                32
 09/21/2017   12:28:08   (  81.25,  34.97) 09/21/2017   12:27:30  (  81.24,  34.79)    3.17                38
 09/21/2017   13:17:35   ( -81.24,-157.44) 09/21/2017   13:18:10  ( -81.25,-157.55)    1.89                35
 09/24/2017   08:02:25   (  81.24, 101.24) 09/24/2017   08:01:50  (  81.24, 101.10)    2.25                35
 09/24/2017   08:51:51   ( -81.26, -90.77) 09/24/2017   08:52:29  ( -81.25, -90.85)    1.31                38
 09/27/2017   03:36:41   (  81.25, 167.84) 09/27/2017   03:36:09  (  81.24, 167.79)    1.04                32
 09/27/2017   04:26:08   ( -81.25, -24.52) 09/27/2017   04:26:49  ( -81.25, -24.54)    0.68                41
 09/29/2017   23:10:57   (  81.23,-125.96) 09/29/2017   23:10:28  (  81.24,-125.93)    0.88                29