Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 1 4.  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)
 01/04/2021   15:56:21   (  81.30, -12.45) 01/04/2021   15:56:31  (  81.30, -12.27)    3.11                10
 01/04/2021   16:47:00   ( -81.30, 155.44) 01/04/2021   16:45:58  ( -81.29, 155.26)    3.32                62
 01/07/2021   10:40:21   ( -81.12,-120.29) 01/07/2021   10:41:35  ( -80.89,-119.63)   28.37                74
 01/07/2021   11:30:43   (  81.30,  54.36) 01/07/2021   11:30:44  (  81.30,  54.26)    1.83                 1
 01/07/2021   12:21:23   ( -81.30,-138.09) 01/07/2021   12:20:11  ( -81.30,-138.19)    1.78                72
 01/10/2021   06:14:28   ( -81.29, -47.32) 01/10/2021   06:15:33  ( -81.28, -47.35)    1.02                65
 01/10/2021   07:05:07   (  81.30, 120.77) 01/10/2021   07:04:58  (  81.31, 120.75)    0.76                 9
 01/13/2021   01:48:52   ( -81.29,  19.12) 01/13/2021   01:49:47  ( -81.28,  19.13)    0.71                55
 01/13/2021   02:39:31   (  81.30,-172.84) 01/13/2021   02:39:12  (  81.31,-172.80)    1.01                19
 01/15/2021   21:23:15   ( -81.29,  85.54) 01/15/2021   21:24:00  ( -81.28,  85.57)    0.85                45