Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 12 11.  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)
 12/13/2018   00:06:04   ( -81.43,  43.83) 12/13/2018   00:05:29  ( -81.43,  43.92)    1.58                35
 12/13/2018   00:55:30   (  81.44,-148.43) 12/13/2018   00:56:09  (  81.43,-148.58)    2.65                39
 12/15/2018   19:40:19   ( -81.42, 110.11) 12/15/2018   19:39:45  ( -81.42, 109.99)    1.90                34
 12/15/2018   20:29:45   (  81.43, -82.18) 12/15/2018   20:30:24  (  81.43, -82.14)    0.65                39
 12/18/2018   15:14:33   ( -81.42, 176.37) 12/18/2018   15:13:59  ( -81.42, 176.45)    1.61                34
 12/18/2018   16:03:58   (  81.44, -15.56) 12/18/2018   16:04:38  (  81.43, -15.72)    2.84                40
 12/21/2018   10:48:47   ( -81.42,-117.00) 12/21/2018   10:48:14  ( -81.42,-117.12)    1.92                33
 12/21/2018   11:38:13   (  81.43,  50.65) 12/21/2018   11:38:53  (  81.43,  50.68)    0.53                40
 12/24/2018   06:23:01   ( -81.43, -50.39) 12/24/2018   06:22:28  ( -81.43, -50.31)    1.51                33