Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 3 18.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 03/18/2021   22:58:03   (  81.43,-119.67) 03/18/2021   22:56:59  (  81.42,-119.84)    2.95                64
 03/18/2021   23:47:31   ( -81.40,  47.47) 03/18/2021   23:47:39  ( -81.42,  47.65)    3.39                 8
 03/21/2021   18:32:17   (  81.42, -53.30) 03/21/2021   18:31:19  (  81.41, -53.24)    1.47                58
 03/21/2021   19:21:44   ( -81.42, 114.26) 03/21/2021   19:21:59  ( -81.41, 114.28)    1.28                15
 03/24/2021   14:06:32   (  81.42,  13.04) 03/24/2021   14:05:41  (  81.42,  12.96)    1.36                51
 03/24/2021   14:55:59   ( -81.42,-179.37) 03/24/2021   14:56:21  ( -81.41,-179.50)    2.23                22
 03/27/2021   09:40:47   (  81.41,  79.33) 03/27/2021   09:40:02  (  81.41,  79.53)    3.22                45
 03/27/2021   10:30:14   ( -81.41,-113.04) 03/27/2021   10:30:42  ( -81.41,-112.91)    2.40                28
 03/30/2021   05:15:01   (  81.40, 145.59) 03/30/2021   05:14:23  (  81.42, 145.69)    2.18                38