Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 5 20.  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)
 05/22/2021   15:26:44   (  81.39,  -6.95) 05/22/2021   15:25:50  (  81.38,  -6.92)    1.18                54
 05/22/2021   16:16:12   ( -81.37, 160.22) 05/22/2021   16:16:31  ( -81.38, 160.36)    2.80                19
 05/25/2021   11:01:01   (  81.39,  59.42) 05/25/2021   11:00:12  (  81.38,  59.44)    0.87                49
 05/25/2021   11:50:29   ( -81.37,-133.38) 05/25/2021   11:50:53  ( -81.38,-133.25)    2.76                24
 05/28/2021   06:35:17   (  81.38, 125.75) 05/28/2021   06:34:33  (  81.38, 125.79)    0.63                44
 05/28/2021   07:24:44   ( -81.38, -66.64) 05/28/2021   07:25:13  ( -81.37, -66.50)    2.79                29
 05/31/2021   02:09:34   (  81.38,-167.94) 05/31/2021   02:08:55  (  81.38,-167.88)    1.12                39
 05/31/2021   02:59:01   ( -81.38,  -0.31) 05/31/2021   02:59:35  ( -81.37,  -0.15)    2.94                34
 06/02/2021   21:43:51   (  81.37,-101.67) 06/02/2021   21:43:17  (  81.38,-101.57)    2.27                34