Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 9 12.  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,  95.27) 09/12/2021   20:17:28  ( -81.11,  95.24)    0.68                35
 09/12/2021   21:07:28   (  81.14, -96.63) 09/12/2021   21:08:07  (  81.13, -96.72)    1.64                39
 09/15/2021   15:52:18   ( -81.12, 161.98) 09/15/2021   15:51:50  ( -81.11, 161.79)    3.29                28
 09/15/2021   16:41:43   (  81.15, -29.94) 09/15/2021   16:42:28  (  81.15, -29.83)    1.87                45
 09/18/2021   11:26:34   ( -81.11,-131.72) 09/18/2021   11:26:12  ( -81.12,-131.67)    1.02                22
 09/18/2021   12:15:59   (  81.14,  36.34) 09/18/2021   12:16:51  (  81.14,  36.29)    0.96                52
 09/21/2021   07:00:48   ( -81.13, -65.09) 09/21/2021   07:00:33  ( -81.12, -65.14)    0.97                15
 09/21/2021   07:50:13   (  81.15, 102.95) 09/21/2021   07:51:12  (  81.14, 102.77)    3.32                59
 09/24/2021   02:35:04   ( -81.11,   1.14) 09/24/2021   02:34:56  ( -81.11,   1.00)    2.44                 8