Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 1 13.  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)
 01/13/2021   07:19:00   ( -81.44, -64.40) 01/13/2021   07:18:39  ( -81.43, -64.50)    1.72                21
 01/13/2021   08:08:27   (  81.42, 102.98) 01/13/2021   08:09:19  (  81.42, 103.13)    2.46                52
 01/16/2021   02:53:14   ( -81.43,   1.97) 01/16/2021   02:53:01  ( -81.42,   2.11)    2.57                13
 01/16/2021   03:42:41   (  81.42, 169.32) 01/16/2021   03:43:42  (  81.43, 169.32)    1.04                61
 01/18/2021   22:27:28   ( -81.43,  68.30) 01/18/2021   22:27:24  ( -81.43,  68.30)    0.24                 4
 01/18/2021   23:16:54   (  81.43,-123.99) 01/18/2021   23:18:04  (  81.42,-124.13)    2.48                70
 01/21/2021   17:12:14   (  81.42, -33.01) 01/21/2021   17:11:05  (  81.43, -32.88)    2.53                69
 01/21/2021   18:01:40   ( -81.44, 134.97) 01/21/2021   18:01:45  ( -81.42, 134.85)    2.58                 5
 01/24/2021   12:46:27   (  81.43,  33.61) 01/24/2021   12:45:27  (  81.43,  33.61)    0.09                60