Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 9 11.  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)
 09/12/2021   20:18:03   ( -81.11,  95.38) 09/12/2021   20:17:28  ( -81.11,  95.36)    0.44                35
 09/12/2021   21:07:28   (  81.14, -96.52) 09/12/2021   21:08:07  (  81.14, -96.61)    1.61                39
 09/15/2021   15:52:19   ( -81.11, 161.73) 09/15/2021   15:51:51  ( -81.11, 161.54)    3.21                28
 09/15/2021   16:41:44   (  81.13, -30.20) 09/15/2021   16:42:29  (  81.14, -30.10)    1.94                45
 09/18/2021   11:26:33   ( -81.12,-131.61) 09/18/2021   11:26:11  ( -81.12,-131.55)    1.12                22
 09/18/2021   12:15:58   (  81.15,  36.44) 09/18/2021   12:16:50  (  81.14,  36.40)    0.85                52
 09/21/2021   07:00:48   ( -81.13, -64.99) 09/21/2021   07:00:33  ( -81.13, -65.02)    0.92                15
 09/21/2021   07:50:14   (  81.13, 102.68) 09/21/2021   07:51:13  (  81.13, 102.50)    3.06                59
 09/24/2021   02:35:04   ( -81.12,   1.23) 09/24/2021   02:34:56  ( -81.12,   1.11)    2.10                 8