Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 9 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)
 09/15/2021   15:52:18   ( -81.12, 161.86) 09/15/2021   15:51:49  ( -81.12, 162.04)    3.28                29
 09/15/2021   16:41:43   (  81.14, -30.05) 09/15/2021   16:42:28  (  81.15, -29.95)    1.71                45
 09/18/2021   11:26:33   ( -81.13,-131.46) 09/18/2021   11:26:11  ( -81.13,-131.42)    0.90                22
 09/18/2021   12:15:59   (  81.14,  36.24) 09/18/2021   12:16:51  (  81.14,  36.17)    1.24                52
 09/21/2021   07:00:49   ( -81.12, -65.19) 09/21/2021   07:00:34  ( -81.12, -65.26)    1.33                15
 09/21/2021   07:50:14   (  81.15, 102.86) 09/21/2021   07:51:12  (  81.15, 103.03)    2.93                58
 09/24/2021   02:35:03   ( -81.13,   1.42) 09/24/2021   02:34:55  ( -81.12,   1.25)    3.07                 8
 09/24/2021   03:24:28   (  81.16, 169.45) 09/24/2021   03:25:33  (  81.15, 169.50)    0.94                65
 09/26/2021   21:20:40   (  79.63,-115.25) 09/26/2021   21:19:27  (  80.03,-117.09)   56.75                73
 09/26/2021   22:09:18   ( -81.14,  67.99) 09/26/2021   22:09:16  ( -81.14,  68.13)    2.32                 2