Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2020 12 31.  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)
 01/01/2021   20:21:57   (  81.30, -78.80) 01/01/2021   20:22:17  (  81.30, -78.74)    0.99                20
 01/01/2021   21:12:36   ( -81.30,  89.09) 01/01/2021   21:11:43  ( -81.31,  89.17)    1.78                53
 01/04/2021   15:56:20   (  81.30, -12.36) 01/04/2021   15:56:30  (  81.30, -12.18)    3.16                10
 01/04/2021   16:46:59   ( -81.30, 155.56) 01/04/2021   16:45:57  ( -81.30, 155.38)    3.10                62
 01/07/2021   10:40:21   ( -81.13,-120.18) 01/07/2021   10:41:35  ( -80.90,-119.52)   27.89                74
 01/07/2021   11:30:44   (  81.30,  54.05) 01/07/2021   11:30:45  (  81.29,  53.95)    1.88                 1
 01/07/2021   12:21:23   ( -81.31,-137.98) 01/07/2021   12:20:11  ( -81.31,-138.08)    1.62                72
 01/10/2021   06:14:28   ( -81.29, -47.24) 01/10/2021   06:15:33  ( -81.29, -47.26)    0.61                65
 01/10/2021   07:05:08   (  81.30, 120.43) 01/10/2021   07:04:59  (  81.29, 120.42)    0.80                 9
 01/13/2021   01:48:52   ( -81.29,  19.17) 01/13/2021   01:49:47  ( -81.29,  19.19)    0.49                55