Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 9.  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)
 04/10/2021   11:31:57   (  81.42,  51.55) 04/10/2021   11:31:47  (  81.41,  51.40)    2.59                10
 04/10/2021   12:21:24   ( -81.41,-140.89) 04/10/2021   12:22:27  ( -81.41,-141.08)    3.17                63
 04/13/2021   07:06:11   (  81.42, 118.02) 04/13/2021   07:06:08  (  81.41, 117.86)    3.01                 3
 04/13/2021   07:55:39   ( -81.40, -74.78) 04/13/2021   07:56:48  ( -81.40, -74.59)    3.23                69
 04/16/2021   01:50:58   ( -81.42,  16.77) 04/16/2021   01:49:48  ( -81.42,  16.62)    2.59                70
 04/16/2021   02:40:24   (  81.42,-175.54) 04/16/2021   02:40:28  (  81.41,-175.71)    3.16                 4
 04/18/2021   21:25:12   ( -81.42,  83.20) 04/18/2021   21:24:09  ( -81.41,  83.07)    2.28                63
 04/18/2021   22:14:38   (  81.42,-109.14) 04/18/2021   22:14:49  (  81.40,-109.30)    2.99                11
 04/21/2021   16:59:26   ( -81.42, 149.59) 04/21/2021   16:58:30  ( -81.41, 149.50)    1.69                56