Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 4 13.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-B) METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2021   23:35:15   (  81.12,-134.45) 04/13/2021   23:34:06  (  81.12,-134.56)    1.87                69
 04/14/2021   00:24:41   ( -81.14,  33.49) 04/14/2021   00:24:44  ( -81.15,  33.67)    3.15                 3
 04/16/2021   19:09:29   (  81.12, -68.03) 04/16/2021   19:08:26  (  81.12, -67.92)    1.90                63
 04/16/2021   19:58:55   ( -81.14,  99.94) 04/16/2021   19:59:05  ( -81.14,  99.94)    0.13                10
 04/19/2021   14:43:42   (  81.12,  -1.63) 04/19/2021   14:42:46  (  81.12,  -1.68)    0.75                56
 04/19/2021   15:33:08   ( -81.14, 166.36) 04/19/2021   15:33:25  ( -81.14, 166.20)    2.82                17
 04/22/2021   10:17:56   (  81.11,  64.73) 04/22/2021   10:17:07  (  81.11,  64.55)    3.09                49
 04/22/2021   11:07:22   ( -81.14,-127.25) 04/22/2021   11:07:45  ( -81.14,-127.18)    1.46                23
 04/25/2021   05:52:09   (  81.13, 131.42) 04/25/2021   05:51:26  (  81.13, 131.50)    1.49                43