Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 1 3.  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)
 01/04/2021   20:36:19   ( -81.44,  96.37) 01/04/2021   20:35:32  ( -81.43,  96.37)    0.64                47
 01/04/2021   21:25:46   (  81.43, -96.27) 01/04/2021   21:26:13  (  81.44, -96.39)    2.29                27
 01/07/2021   16:10:33   ( -81.44, 162.85) 01/07/2021   16:09:55  ( -81.43, 162.66)    3.15                38
 01/07/2021   17:00:00   (  81.43, -29.83) 01/07/2021   17:00:35  (  81.43, -29.74)    1.46                35
 01/10/2021   11:44:46   ( -81.44,-130.72) 01/10/2021   11:44:16  ( -81.43,-130.67)    1.77                30
 01/10/2021   12:34:13   (  81.42,  36.58) 01/10/2021   12:34:57  (  81.43,  36.51)    1.35                44
 01/13/2021   07:19:00   ( -81.44, -64.34) 01/13/2021   07:18:39  ( -81.43, -64.40)    1.51                21
 01/13/2021   08:08:27   (  81.42, 102.94) 01/13/2021   08:09:19  (  81.42, 103.14)    3.24                52
 01/16/2021   02:53:14   ( -81.43,   2.01) 01/16/2021   02:53:02  ( -81.43,   1.84)    2.68                12