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,-116.88) 12/21/2018   10:48:14  ( -81.43,-117.04)    2.70                36
 12/21/2018   11:38:16   (  81.44,  50.88) 12/21/2018   11:38:53  (  81.43,  50.82)    1.24                37
 12/24/2018   06:23:06   ( -81.43, -50.61) 12/24/2018   06:22:28  ( -81.43, -50.61)    0.06                38
 12/24/2018   07:12:32   (  81.43, 117.12) 12/24/2018   07:13:07  (  81.43, 117.22)    1.65                35
 12/27/2018   01:57:23   ( -81.43,  15.85) 12/27/2018   01:56:43  ( -81.43,  15.80)    0.76                40
 12/27/2018   02:46:49   (  81.43,-176.45) 12/27/2018   02:47:22  (  81.43,-176.39)    0.89                33
 12/29/2018   21:31:41   ( -81.42,  82.10) 12/29/2018   21:30:58  ( -81.43,  82.20)    1.90                43
 12/29/2018   22:21:06   (  81.44,-109.83) 12/29/2018   22:21:37  (  81.43,-110.02)    3.28                31
 01/01/2019   17:05:58   ( -81.42, 148.52) 01/01/2019   17:05:12  ( -81.43, 148.58)    1.19                46