Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 6 18.  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)
 06/19/2021   18:20:01   ( -81.36, 129.04) 06/19/2021   18:18:57  ( -81.50, 124.45)   77.72                64
 06/19/2021   19:09:27   (  81.36, -63.17) 06/19/2021   19:09:25  (  81.37, -63.16)    1.09                 2
 06/19/2021   19:58:54   ( -81.36, 104.35) 06/19/2021   20:00:05  ( -81.36, 104.43)    1.59                71
 06/22/2021   13:54:15   ( -81.37,-164.14) 06/22/2021   13:53:05  ( -81.38,-164.23)    1.52                70
 06/22/2021   14:43:42   (  81.36,   3.24) 06/22/2021   14:43:45  (  81.36,   3.43)    3.03                 3
 06/25/2021   09:28:31   ( -81.37, -97.73) 06/25/2021   09:27:26  ( -81.37, -97.65)    1.52                65
 06/25/2021   10:17:58   (  81.36,  69.63) 06/25/2021   10:18:07  (  81.37,  69.61)    1.29                 9
 06/28/2021   05:02:47   ( -81.37, -31.35) 06/28/2021   05:01:48  ( -81.37, -31.47)    1.89                59
 06/28/2021   05:52:14   (  81.35, 135.98) 06/28/2021   05:52:28  (  81.36, 136.16)    3.28                14
 07/01/2021   00:37:02   ( -81.36,  34.99) 07/01/2021   00:36:08  ( -81.37,  35.09)    1.60                54