Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 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)
 05/18/2018   15:50:51   ( -81.33, 164.84) 05/18/2018   15:49:50  ( -81.33, 164.72)    2.16                61
 05/18/2018   16:40:17   (  81.34, -27.41) 05/18/2018   16:40:29  (  81.34, -27.36)    0.91                12
 05/21/2018   11:25:04   ( -81.33,-128.68) 05/21/2018   11:24:07  ( -81.33,-128.62)    1.11                57
 05/21/2018   12:14:30   (  81.34,  39.04) 05/21/2018   12:14:47  (  81.33,  38.91)    2.21                17
 05/24/2018   06:59:17   ( -81.33, -62.23) 05/24/2018   06:58:25  ( -81.33, -62.37)    2.34                52
 05/24/2018   07:48:43   (  81.34, 105.45) 05/24/2018   07:49:04  (  81.34, 105.54)    1.55                21
 05/27/2018   02:33:29   ( -81.33,   4.18) 05/27/2018   02:32:41  ( -81.33,   4.25)    1.30                48
 05/27/2018   03:22:55   (  81.33, 171.84) 05/27/2018   03:23:21  (  81.34, 171.77)    1.15                26