Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 10 10.  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)
 10/10/2021   23:11:13   (  81.12,-127.89) 10/10/2021   23:10:27  (  81.11,-128.04)    2.67                46
 10/11/2021   00:00:39   ( -81.13,  40.01) 10/11/2021   00:01:06  ( -81.14,  40.13)    2.27                27
 10/13/2021   18:45:29   (  81.11, -61.52) 10/13/2021   18:44:50  (  81.11, -61.60)    1.29                39
 10/13/2021   19:34:55   ( -81.13, 106.40) 10/13/2021   19:35:30  ( -81.13, 106.24)    2.84                35
 10/16/2021   14:19:44   (  81.13,   5.16) 10/16/2021   14:19:12  (  81.13,   5.20)    0.74                32
 10/16/2021   15:09:10   ( -81.15, 173.11) 10/16/2021   15:09:52  ( -81.15, 173.07)    0.78                42
 10/19/2021   09:53:59   (  81.12,  71.43) 10/19/2021   09:53:34  (  81.13,  71.60)    3.20                25
 10/19/2021   10:43:25   ( -81.14,-120.60) 10/19/2021   10:44:14  ( -81.15,-120.51)    1.79                49
 10/22/2021   05:28:14   (  81.13, 138.01) 10/22/2021   05:27:57  (  81.13, 137.98)    0.53                17