Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 23.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2021   18:55:03   (  81.25, -60.17) 12/24/2021   18:56:12  (  81.25, -60.22)    0.78                69
 12/24/2021   19:45:42   ( -81.26, 107.71) 12/24/2021   19:45:38  ( -81.26, 107.68)    0.63                 4
 12/27/2021   14:29:23   (  81.25,   6.31) 12/27/2021   14:30:22  (  81.24,   6.19)    2.08                59
 12/27/2021   15:20:02   ( -81.26, 174.22) 12/27/2021   15:19:48  ( -81.26, 174.12)    1.70                14
 12/30/2021   10:03:45   (  81.24,  72.37) 12/30/2021   10:04:33  (  81.24,  72.52)    2.47                48
 12/30/2021   10:54:24   ( -81.25,-119.69) 12/30/2021   10:53:59  ( -81.26,-119.52)    2.86                25
 01/02/2022   05:38:05   (  81.25, 139.17) 01/02/2022   05:38:43  (  81.25, 139.13)    0.60                38
 01/02/2022   06:28:44   ( -81.26, -52.87) 01/02/2022   06:28:09  ( -81.27, -52.88)    0.71                35
 01/05/2022   01:12:25   (  81.25,-154.46) 01/05/2022   01:12:52  (  81.25,-154.34)    2.23                27