Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 6.  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)
 04/07/2021   15:57:43   (  81.42, -14.95) 04/07/2021   15:57:26  (  81.42, -15.08)    2.03                17
 04/07/2021   16:47:10   ( -81.41, 152.60) 04/07/2021   16:48:06  ( -81.41, 152.44)    2.69                56
 04/10/2021   11:31:57   (  81.42,  51.55) 04/10/2021   11:31:47  (  81.41,  51.40)    2.67                10
 04/10/2021   12:21:24   ( -81.42,-140.86) 04/10/2021   12:22:27  ( -81.41,-141.06)    3.37                63
 04/13/2021   07:06:11   (  81.42, 118.02) 04/13/2021   07:06:08  (  81.41, 117.85)    3.14                 3
 04/13/2021   07:55:39   ( -81.40, -74.75) 04/13/2021   07:56:48  ( -81.40, -74.57)    3.02                69
 04/16/2021   01:50:58   ( -81.42,  16.81) 04/16/2021   01:49:48  ( -81.42,  16.64)    2.86                70
 04/16/2021   02:40:24   (  81.42,-175.54) 04/16/2021   02:40:28  (  81.41,-175.72)    3.35                 4
 04/18/2021   21:25:12   ( -81.42,  83.24) 04/18/2021   21:24:09  ( -81.41,  83.09)    2.64                63