Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 12 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)
 12/14/2021   15:39:59   (  81.14, -14.80) 12/14/2021   15:39:32  (  81.14, -14.89)    1.62                27
 12/14/2021   16:29:25   ( -81.16, 153.15) 12/14/2021   16:30:11  ( -81.16, 153.02)    2.34                46
 12/17/2021   11:14:14   (  81.14,  51.53) 12/17/2021   11:13:54  (  81.13,  51.36)    2.93                20
 12/17/2021   12:03:40   ( -81.16,-140.49) 12/17/2021   12:04:32  ( -81.16,-140.34)    2.71                52
 12/20/2021   06:48:28   (  81.15, 118.19) 12/20/2021   06:48:14  (  81.15, 118.34)    2.68                14
 12/20/2021   07:37:54   ( -81.17, -73.81) 12/20/2021   07:38:53  ( -81.17, -73.72)    1.59                59
 12/23/2021   02:22:42   (  81.14,-175.55) 12/23/2021   02:22:35  (  81.15,-175.44)    1.97                 7
 12/23/2021   03:12:08   ( -81.16,  -7.53) 12/23/2021   03:13:14  ( -81.17,  -7.49)    0.71                66
 12/25/2021   21:07:31   ( -81.13,  83.05) 12/25/2021   21:06:17  ( -81.13,  83.10)    0.82                74
 12/25/2021   21:56:56   (  81.15,-108.96) 12/25/2021   21:56:56  (  81.15,-108.87)    1.53                 0