Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 5 15.  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,-139.93) 05/17/2021   00:17:07  (  81.39,-139.83)    1.64                64
 05/17/2021   01:07:38   ( -81.38,  27.64) 05/17/2021   01:07:47  ( -81.38,  27.82)    3.14                 9
 05/19/2021   19:52:28   (  81.39, -73.48) 05/19/2021   19:51:29  (  81.39, -73.43)    0.92                59
 05/19/2021   20:41:55   ( -81.38,  94.11) 05/19/2021   20:42:09  ( -81.38,  94.26)    2.67                14
 05/22/2021   15:26:44   (  81.39,  -7.08) 05/22/2021   15:25:50  (  81.39,  -7.04)    0.61                54
 05/22/2021   16:16:11   ( -81.38, 160.54) 05/22/2021   16:16:30  ( -81.37, 160.67)    2.55                19
 05/25/2021   11:01:01   (  81.38,  59.30) 05/25/2021   11:00:12  (  81.38,  59.34)    0.71                49
 05/25/2021   11:50:28   ( -81.38,-133.07) 05/25/2021   11:50:52  ( -81.37,-132.93)    2.67                24
 05/28/2021   06:35:18   (  81.38, 125.63) 05/28/2021   06:34:34  (  81.38, 125.70)    1.31                44