Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 2.  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, -81.54) 04/04/2021   20:23:06  (  81.42, -81.62)    1.99                24
 04/04/2021   21:12:57   ( -81.40,  86.02) 04/04/2021   21:13:46  ( -81.41,  85.90)    2.45                49
 04/07/2021   15:57:43   (  81.41, -15.02) 04/07/2021   15:57:26  (  81.42, -15.13)    2.02                17
 04/07/2021   16:47:10   ( -81.41, 152.58) 04/07/2021   16:48:06  ( -81.41, 152.42)    2.67                56
 04/10/2021   11:31:57   (  81.41,  51.47) 04/10/2021   11:31:47  (  81.41,  51.34)    2.24                10
 04/10/2021   12:21:24   ( -81.41,-140.90) 04/10/2021   12:22:27  ( -81.41,-141.07)    3.02                63
 04/13/2021   07:06:11   (  81.41, 117.93) 04/13/2021   07:06:08  (  81.41, 117.80)    2.25                 3
 04/13/2021   07:55:38   ( -81.42, -74.42) 04/13/2021   07:56:48  ( -81.40, -74.58)    3.15                70
 04/16/2021   01:50:59   ( -81.41,  16.72) 04/16/2021   01:49:49  ( -81.41,  16.63)    1.62                70
 04/16/2021   02:40:25   (  81.41,-175.65) 04/16/2021   02:40:29  (  81.41,-175.76)    1.92                 4