Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 12 15.  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)
 12/17/2021   11:14:14   (  81.14,  51.62) 12/17/2021   11:13:54  (  81.14,  51.46)    2.85                20
 12/17/2021   12:03:40   ( -81.16,-140.42) 12/17/2021   12:04:32  ( -81.17,-140.25)    2.87                52
 12/20/2021   06:48:27   (  81.16, 118.27) 12/20/2021   06:48:13  (  81.16, 118.44)    2.93                14
 12/20/2021   07:37:54   ( -81.15, -74.11) 12/20/2021   07:38:53  ( -81.16, -74.01)    1.87                59
 12/23/2021   02:22:42   (  81.14,-175.49) 12/23/2021   02:22:35  (  81.15,-175.36)    2.33                 7
 12/23/2021   03:12:08   ( -81.17,  -7.48) 12/23/2021   03:13:14  ( -81.17,  -7.42)    1.14                66
 12/25/2021   21:07:31   ( -81.13,  83.08) 12/25/2021   21:06:17  ( -81.13,  83.16)    1.45                74
 12/25/2021   21:56:56   (  81.15,-108.92) 12/25/2021   21:56:56  (  81.15,-108.79)    2.12                 0
 12/25/2021   22:46:22   ( -81.18,  59.11) 12/25/2021   22:47:35  ( -81.17,  59.17)    1.01                73
 12/28/2021   16:41:44   ( -81.14, 149.63) 12/28/2021   16:40:37  ( -81.14, 149.72)    1.67                67