Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 27.  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)
 06/27/2021   22:42:03   (  81.26,-115.30) 06/27/2021   22:42:13  (  81.27,-115.15)    2.77                10
 06/27/2021   23:32:43   ( -81.27,  52.52) 06/27/2021   23:31:40  ( -81.26,  52.41)    2.09                63
 06/30/2021   17:25:47   ( -81.25, 143.45) 06/30/2021   17:27:00  ( -81.25, 143.34)    1.85                73
 06/30/2021   18:16:27   (  81.25, -49.11) 06/30/2021   18:16:26  (  81.25, -48.96)    2.53                 1
 06/30/2021   19:06:59   ( -81.31, 121.85) 06/30/2021   19:05:45  ( -81.42, 121.65)   12.19                74
 07/03/2021   13:00:10   ( -81.26,-149.98) 07/03/2021   13:01:12  ( -81.26,-150.12)    2.32                62
 07/03/2021   13:50:50   (  81.26,  17.45) 07/03/2021   13:50:38  (  81.26,  17.56)    1.79                12
 07/06/2021   08:34:32   ( -81.26, -83.42) 07/06/2021   08:35:23  ( -81.26, -83.61)    3.21                51
 07/06/2021   09:25:12   (  81.26,  84.00) 07/06/2021   09:24:49  (  81.26,  84.03)    0.63                23
 07/09/2021   04:08:56   ( -81.25, -17.28) 07/09/2021   04:09:35  ( -81.26, -17.16)    2.19                39