Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 12 3.  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)
 12/03/2021   09:23:01   (  81.14,  79.37) 12/03/2021   09:22:07  (  81.14,  79.42)    0.89                54
 12/03/2021   10:12:27   ( -81.16,-112.68) 12/03/2021   10:12:46  ( -81.16,-112.61)    1.22                19
 12/06/2021   04:57:16   (  81.12, 145.51) 12/06/2021   04:56:29  (  81.12, 145.38)    2.16                47
 12/06/2021   05:46:42   ( -81.14, -46.52) 12/06/2021   05:47:08  ( -81.14, -46.65)    2.19                26
 12/09/2021   00:31:30   (  81.14,-147.69) 12/09/2021   00:30:49  (  81.14,-147.56)    2.16                41
 12/09/2021   01:20:56   ( -81.16,  20.31) 12/09/2021   01:21:28  ( -81.16,  20.41)    1.78                32
 12/11/2021   20:05:45   (  81.14, -81.30) 12/11/2021   20:05:11  (  81.14, -81.29)    0.28                34
 12/11/2021   20:55:11   ( -81.16,  86.72) 12/11/2021   20:55:50  ( -81.16,  86.69)    0.68                39
 12/14/2021   15:39:59   (  81.13, -14.97) 12/14/2021   15:39:32  (  81.13, -15.04)    1.30                27