Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 1 26.  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)
 01/27/2021   03:40:44   ( -81.30,  -8.62) 01/27/2021   03:40:53  ( -81.30,  -8.50)    2.09                 9
 01/27/2021   04:31:23   (  81.31, 159.33) 01/27/2021   04:30:19  (  81.30, 159.26)    1.12                64
 01/29/2021   22:24:48   (  81.05,-118.46) 01/29/2021   22:26:01  (  80.77,-117.32)   37.15                73
 01/29/2021   23:15:05   ( -81.30,  58.11) 01/29/2021   23:15:06  ( -81.31,  58.14)    0.84                 1
 01/30/2021   00:05:44   (  81.31,-133.99) 01/30/2021   00:04:32  (  81.31,-134.13)    2.40                72
 02/01/2021   17:58:47   (  81.29, -43.38) 02/01/2021   17:59:53  (  81.30, -43.23)    2.64                66
 02/01/2021   18:49:27   ( -81.30, 124.43) 02/01/2021   18:49:20  ( -81.30, 124.36)    1.39                 7
 02/04/2021   13:33:08   (  81.30,  23.26) 02/04/2021   13:34:06  (  81.30,  23.30)    0.98                58
 02/04/2021   14:23:48   ( -81.30,-169.27) 02/04/2021   14:23:32  ( -81.30,-169.09)    3.02                16
 02/07/2021   09:07:29   (  81.29,  89.50) 02/07/2021   09:08:19  (  81.29,  89.41)    1.79                50