Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-B
TLE Epoch: 2021 7 11.  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)
 07/12/2021   23:23:06   ( -81.10,  48.94) 07/12/2021   23:22:36  ( -81.10,  48.77)    2.86                30
 07/13/2021   00:12:31   (  81.13,-142.95) 07/13/2021   00:13:14  (  81.13,-142.98)    0.45                43
 07/15/2021   18:57:20   ( -81.11, 115.48) 07/15/2021   18:56:57  ( -81.12, 115.64)    2.91                23
 07/15/2021   19:46:45   (  81.14, -76.44) 07/15/2021   19:47:36  (  81.13, -76.48)    0.81                51
 07/18/2021   14:31:35   ( -81.11,-178.01) 07/18/2021   14:31:20  ( -81.12,-177.88)    2.30                15
 07/18/2021   15:21:00   (  81.14,  -9.95) 07/18/2021   15:21:59  (  81.14, -10.00)    0.87                59
 07/21/2021   10:05:50   ( -81.11,-111.53) 07/21/2021   10:05:43  ( -81.12,-111.42)    1.99                 7
 07/21/2021   10:55:15   (  81.14,  56.49) 07/21/2021   10:56:22  (  81.14,  56.46)    0.65                67
 07/24/2021   04:50:38   (  81.09, 146.88) 07/24/2021   04:49:26  (  81.09, 146.88)    0.50                72
 07/24/2021   05:40:04   ( -81.11, -45.08) 07/24/2021   05:40:05  ( -81.12, -44.98)    1.98                 1