Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 12 19.  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)
 12/20/2021   06:48:28   (  81.14, 118.08) 12/20/2021   06:48:14  (  81.15, 118.25)    3.09                14
 12/20/2021   07:37:54   ( -81.16, -73.97) 12/20/2021   07:38:53  ( -81.17, -73.85)    2.13                59
 12/23/2021   02:22:41   (  81.15,-175.36) 12/23/2021   02:22:34  (  81.16,-175.19)    2.96                 7
 12/23/2021   03:12:07   ( -81.17,  -7.39) 12/23/2021   03:13:13  ( -81.17,  -7.28)    1.90                66
 12/25/2021   21:07:30   ( -81.13,  83.10) 12/25/2021   21:06:16  ( -81.13,  83.26)    2.74                74
 12/25/2021   21:56:55   (  81.16,-108.86) 12/25/2021   21:56:56  (  81.15,-109.05)    3.33                 1
 12/25/2021   22:46:21   ( -81.18,  59.13) 12/25/2021   22:47:34  ( -81.18,  59.26)    2.27                73
 12/28/2021   16:41:44   ( -81.13, 149.56) 12/28/2021   16:40:38  ( -81.12, 149.39)    2.94                66
 12/28/2021   17:31:09   (  81.16, -42.43) 12/28/2021   17:31:17  (  81.15, -42.56)    2.40                 8
 12/31/2021   12:15:58   ( -81.13,-144.05) 12/31/2021   12:14:59  ( -81.13,-144.13)    1.39                59