Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 12 19.  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)
 12/21/2018   10:48:50   ( -81.43,-116.96) 12/21/2018   10:48:14  ( -81.43,-117.12)    2.74                36
 12/21/2018   11:38:16   (  81.44,  50.82) 12/21/2018   11:38:53  (  81.43,  50.75)    1.31                37
 12/24/2018   06:23:07   ( -81.42, -50.66) 12/24/2018   06:22:29  ( -81.43, -50.70)    0.68                38
 12/24/2018   07:12:32   (  81.43, 117.09) 12/24/2018   07:13:07  (  81.43, 117.14)    0.92                35
 12/27/2018   01:57:23   ( -81.43,  15.83) 12/27/2018   01:56:43  ( -81.43,  15.71)    2.08                40
 12/27/2018   02:46:49   (  81.43,-176.45) 12/27/2018   02:47:22  (  81.43,-176.48)    0.52                33
 12/29/2018   21:31:41   ( -81.42,  82.12) 12/29/2018   21:30:58  ( -81.43,  82.09)    0.77                43
 12/29/2018   22:21:07   (  81.42,-110.18) 12/29/2018   22:21:37  (  81.43,-110.12)    1.31                30
 01/01/2019   17:05:59   ( -81.42, 148.60) 01/01/2019   17:05:13  ( -81.42, 148.46)    2.42                46