Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 4.  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)
 04/04/2021   20:23:30   (  81.41, -81.49) 04/04/2021   20:23:06  (  81.42, -81.57)    1.68                24
 04/04/2021   21:12:57   ( -81.40,  86.05) 04/04/2021   21:13:46  ( -81.41,  85.93)    2.28                49
 04/07/2021   15:57:43   (  81.41, -14.96) 04/07/2021   15:57:26  (  81.42, -15.08)    1.96                17
 04/07/2021   16:47:10   ( -81.41, 152.61) 04/07/2021   16:48:06  ( -81.41, 152.46)    2.66                56
 04/10/2021   11:31:57   (  81.42,  51.54) 04/10/2021   11:31:47  (  81.41,  51.40)    2.39                10
 04/10/2021   12:21:24   ( -81.42,-140.86) 04/10/2021   12:22:27  ( -81.40,-141.03)    3.18                63
 04/13/2021   07:06:11   (  81.42, 118.00) 04/13/2021   07:06:08  (  81.41, 117.86)    2.60                 3
 04/13/2021   07:55:39   ( -81.40, -74.75) 04/13/2021   07:56:49  ( -81.41, -74.93)    3.18                70
 04/16/2021   01:50:58   ( -81.42,  16.79) 04/16/2021   01:49:48  ( -81.41,  16.68)    1.94                70
 04/16/2021   02:40:24   (  81.42,-175.57) 04/16/2021   02:40:28  (  81.41,-175.69)    2.49                 4