Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 19.  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)
 12/19/2021   04:37:00   ( -81.26, -25.19) 12/19/2021   04:37:16  ( -81.26, -25.23)    0.80                16
 12/19/2021   05:27:40   (  81.27, 142.58) 12/19/2021   05:26:42  (  81.27, 142.53)    0.88                58
 12/22/2021   00:11:22   ( -81.25,  41.02) 12/22/2021   00:11:28  ( -81.25,  41.02)    0.43                 6
 12/22/2021   01:02:01   (  81.27,-150.84) 12/22/2021   01:00:53  (  81.27,-150.87)    0.83                68
 12/24/2021   18:55:03   (  81.24, -60.35) 12/24/2021   18:56:12  (  81.24, -60.36)    0.60                69
 12/24/2021   19:45:42   ( -81.25, 107.57) 12/24/2021   19:45:38  ( -81.25, 107.58)    0.06                 4
 12/27/2021   14:29:24   (  81.24,   6.16) 12/27/2021   14:30:23  (  81.24,   6.09)    1.26                59
 12/27/2021   15:20:03   ( -81.26, 174.10) 12/27/2021   15:19:49  ( -81.26, 174.06)    0.65                14
 12/30/2021   10:03:45   (  81.24,  72.63) 12/30/2021   10:04:34  (  81.23,  72.48)    2.71                49