Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 1 9.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 01/11/2021   05:03:18   (  81.13, 144.09) 01/11/2021   05:03:07  (  81.13, 144.07)    0.42                11
 01/11/2021   05:52:44   ( -81.15, -47.96) 01/11/2021   05:53:46  ( -81.15, -47.95)    0.21                62
 01/13/2021   23:48:31   ( -80.40,  34.01) 01/13/2021   23:47:17  ( -80.64,  33.19)   30.13                74
 01/14/2021   00:37:31   (  81.13,-149.53) 01/14/2021   00:37:30  (  81.13,-149.54)    0.15                 1
 01/14/2021   01:26:57   ( -81.15,  18.44) 01/14/2021   01:28:09  ( -81.15,  18.48)    0.87                72
 01/16/2021   19:22:19   ( -81.12, 109.14) 01/16/2021   19:21:14  ( -81.12, 109.26)    1.99                65
 01/16/2021   20:11:44   (  81.14, -82.82) 01/16/2021   20:11:53  (  81.14, -82.78)    0.81                 9
 01/19/2021   14:56:33   ( -81.11, 175.48) 01/19/2021   14:55:39  ( -81.10, 175.30)    3.20                54
 01/19/2021   15:45:58   (  81.13, -16.51) 01/19/2021   15:46:17  (  81.14, -16.42)    1.49                19
 01/22/2021   10:30:46   ( -81.10,-118.22) 01/22/2021   10:30:02  ( -81.10,-118.31)    1.52                44