Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 5 18.  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)
 05/19/2021   19:52:28   (  81.38, -73.64) 05/19/2021   19:51:29  (  81.39, -73.59)    1.70                59
 05/19/2021   20:41:55   ( -81.38,  93.93) 05/19/2021   20:42:09  ( -81.38,  94.07)    2.57                14
 05/22/2021   15:26:45   (  81.38,  -7.24) 05/22/2021   15:25:51  (  81.39,  -7.21)    1.55                54
 05/22/2021   16:16:12   ( -81.37, 160.36) 05/22/2021   16:16:31  ( -81.38, 160.48)    2.19                19
 05/25/2021   11:01:00   (  81.39,  59.52) 05/25/2021   11:00:11  (  81.38,  59.55)    1.77                49
 05/25/2021   11:50:28   ( -81.37,-133.25) 05/25/2021   11:50:52  ( -81.38,-133.12)    2.17                24
 05/28/2021   06:35:17   (  81.39, 125.86) 05/28/2021   06:34:33  (  81.38, 125.90)    1.41                44
 05/28/2021   07:24:45   ( -81.37, -66.89) 05/28/2021   07:25:14  ( -81.38, -66.75)    2.54                29
 05/31/2021   02:09:34   (  81.38,-167.84) 05/31/2021   02:08:55  (  81.38,-167.76)    1.39                39