Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 14.  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)
 04/16/2021   01:50:59   ( -81.41,  16.65) 04/16/2021   01:49:49  ( -81.42,  16.50)    2.67                70
 04/16/2021   02:40:25   (  81.42,-175.61) 04/16/2021   02:40:29  (  81.41,-175.78)    2.94                 4
 04/18/2021   21:25:12   ( -81.41,  83.08) 04/18/2021   21:24:09  ( -81.42,  82.95)    2.20                63
 04/18/2021   22:14:38   (  81.42,-109.21) 04/18/2021   22:14:49  (  81.41,-109.37)    2.69                11
 04/21/2021   16:59:26   ( -81.41, 149.47) 04/21/2021   16:58:30  ( -81.41, 149.39)    1.51                56
 04/21/2021   17:48:52   (  81.41, -42.85) 04/21/2021   17:49:10  (  81.41, -42.97)    2.11                18
 04/24/2021   12:33:40   ( -81.41,-144.17) 04/24/2021   12:32:51  ( -81.41,-144.20)    0.81                49
 04/24/2021   13:23:06   (  81.41,  23.48) 04/24/2021   13:23:31  (  81.41,  23.41)    1.20                25
 04/27/2021   08:07:53   ( -81.40, -77.85) 04/27/2021   08:07:11  ( -81.41, -77.80)    1.41                42