Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 3 6.  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)
 03/07/2021   12:00:20   ( -81.30,-133.66) 03/07/2021   12:01:04  ( -81.30,-133.68)    0.24                44
 03/07/2021   12:50:59   (  81.31,  34.19) 03/07/2021   12:50:30  (  81.31,  34.06)    2.16                29
 03/10/2021   07:34:40   ( -81.30, -67.17) 03/10/2021   07:35:16  ( -81.31, -67.08)    1.88                36
 03/10/2021   08:25:19   (  81.31, 100.68) 03/10/2021   08:24:42  (  81.32, 100.64)    0.79                37
 03/13/2021   03:09:01   ( -81.31,  -0.70) 03/13/2021   03:09:30  ( -81.30,  -0.89)    3.27                29
 03/13/2021   03:59:41   (  81.31, 166.76) 03/13/2021   03:58:56  (  81.30, 166.80)    0.95                45
 03/15/2021   22:43:22   ( -81.31,  65.76) 03/15/2021   22:43:43  ( -81.30,  65.64)    2.10                21
 03/15/2021   23:34:02   (  81.31,-126.77) 03/15/2021   23:33:09  (  81.30,-126.70)    1.29                53
 03/18/2021   18:17:43   ( -81.31, 132.21) 03/18/2021   18:17:56  ( -81.31, 132.13)    1.40                13