Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 30.  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)
 06/30/2021   17:25:47   ( -81.25, 143.39) 06/30/2021   17:27:00  ( -81.25, 143.29)    1.79                73
 06/30/2021   18:16:27   (  81.25, -49.14) 06/30/2021   18:16:26  (  81.25, -48.98)    2.72                 1
 06/30/2021   19:06:59   ( -81.31, 121.79) 06/30/2021   19:05:45  ( -81.41, 121.60)   11.94                74
 07/03/2021   13:00:10   ( -81.26,-150.03) 07/03/2021   13:01:12  ( -81.25,-150.15)    2.01                62
 07/03/2021   13:50:50   (  81.26,  17.42) 07/03/2021   13:50:38  (  81.26,  17.55)    2.16                12
 07/06/2021   08:34:33   ( -81.26, -83.48) 07/06/2021   08:35:24  ( -81.26, -83.63)    2.61                51
 07/06/2021   09:25:13   (  81.26,  83.97) 07/06/2021   09:24:50  (  81.26,  84.04)    1.28                23
 07/09/2021   04:08:56   ( -81.25, -17.33) 07/09/2021   04:09:35  ( -81.26, -17.15)    3.17                39
 07/09/2021   04:59:35   (  81.26, 150.50) 07/09/2021   04:59:01  (  81.26, 150.50)    0.10                34
 07/11/2021   23:43:19   ( -81.25,  49.18) 07/11/2021   23:43:47  ( -81.26,  49.29)    1.96                28