Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 5 16.  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)
 05/17/2021   00:18:11   (  81.39,-139.79) 05/17/2021   00:17:07  (  81.38,-139.69)    1.85                64
 05/17/2021   01:07:38   ( -81.39,  27.77) 05/17/2021   01:07:48  ( -81.39,  27.57)    3.37                10
 05/19/2021   19:52:27   (  81.39, -73.34) 05/19/2021   19:51:28  (  81.38, -73.29)    1.48                59
 05/19/2021   20:41:55   ( -81.37,  93.85) 05/19/2021   20:42:09  ( -81.38,  94.00)    2.78                14
 05/22/2021   15:26:44   (  81.39,  -6.93) 05/22/2021   15:25:50  (  81.38,  -6.90)    1.32                54
 05/22/2021   16:16:12   ( -81.37, 160.29) 05/22/2021   16:16:31  ( -81.38, 160.41)    2.36                19
 05/25/2021   11:01:01   (  81.39,  59.45) 05/25/2021   11:00:12  (  81.38,  59.47)    1.13                49
 05/25/2021   11:50:29   ( -81.37,-133.31) 05/25/2021   11:50:53  ( -81.38,-133.19)    2.34                24
 05/28/2021   06:35:17   (  81.38, 125.79) 05/28/2021   06:34:33  (  81.38, 125.83)    0.93                44