Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 3 13.  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)
 03/13/2021   03:59:40   (  81.31, 167.05) 03/13/2021   03:58:55  (  81.32, 167.09)    0.87                45
 03/15/2021   22:43:22   ( -81.30,  65.59) 03/15/2021   22:43:43  ( -81.30,  65.48)    2.03                21
 03/15/2021   23:34:01   (  81.31,-126.50) 03/15/2021   23:33:08  (  81.32,-126.41)    1.69                53
 03/18/2021   18:17:43   ( -81.31, 132.02) 03/18/2021   18:17:56  ( -81.30, 131.97)    1.13                13
 03/18/2021   19:08:22   (  81.31, -60.06) 03/18/2021   19:07:21  (  81.32, -59.95)    2.07                61
 03/21/2021   13:52:04   ( -81.31,-161.57) 03/21/2021   13:52:09  ( -81.30,-161.59)    0.79                 5
 03/21/2021   14:42:42   (  81.31,   6.36) 03/21/2021   14:41:33  (  81.32,   6.46)    2.00                69
 03/24/2021   08:35:44   (  81.30,  97.10) 03/24/2021   08:36:54  (  81.30,  97.18)    1.34                70