Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2020 12 30.  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)
 12/30/2020   22:46:23   (  81.11,-121.90) 12/30/2020   22:45:32  (  81.12,-121.79)    2.05                51
 12/30/2020   23:35:49   ( -81.13,  46.04) 12/30/2020   23:36:11  ( -81.14,  46.09)    0.94                22
 01/02/2021   18:20:37   (  81.12, -55.39) 01/02/2021   18:19:56  (  81.12, -55.34)    0.98                41
 01/02/2021   19:10:03   ( -81.14, 112.57) 01/02/2021   19:10:35  ( -81.14, 112.58)    0.13                32
 01/05/2021   13:54:51   (  81.12,  11.07) 01/05/2021   13:54:20  (  81.12,  11.08)    0.28                31
 01/05/2021   14:44:17   ( -81.14, 179.06) 01/05/2021   14:44:59  ( -81.14, 179.04)    0.33                42
 01/08/2021   09:29:04   (  81.12,  77.48) 01/08/2021   09:28:43  (  81.12,  77.48)    0.18                21
 01/08/2021   10:18:30   ( -81.14,-114.50) 01/08/2021   10:19:22  ( -81.14,-114.52)    0.23                52
 01/11/2021   05:03:18   (  81.11, 143.85) 01/11/2021   05:03:07  (  81.12, 143.85)    0.58                11