Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 3 10.  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)
 03/10/2021   07:34:41   ( -81.30, -67.28) 03/10/2021   07:35:17  ( -81.31, -67.18)    1.73                36
 03/10/2021   08:25:20   (  81.31, 100.60) 03/10/2021   08:24:43  (  81.31, 100.57)    0.55                37
 03/13/2021   03:09:01   ( -81.30,  -0.81) 03/13/2021   03:09:30  ( -81.29,  -0.99)    3.19                29
 03/13/2021   03:59:40   (  81.31, 167.07) 03/13/2021   03:58:55  (  81.32, 167.11)    1.00                45
 03/15/2021   22:43:22   ( -81.30,  65.64) 03/15/2021   22:43:43  ( -81.30,  65.55)    1.64                21
 03/15/2021   23:34:02   (  81.31,-126.86) 03/15/2021   23:33:09  (  81.30,-126.75)    1.97                53
 03/18/2021   18:17:43   ( -81.31, 132.07) 03/18/2021   18:17:56  ( -81.30, 132.05)    0.44                13
 03/18/2021   19:08:23   (  81.31, -60.42) 03/18/2021   19:07:22  (  81.30, -60.27)    2.57                61
 03/21/2021   13:52:03   ( -81.31,-161.51) 03/21/2021   13:52:08  ( -81.30,-161.48)    0.59                 5