Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 24.  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)
 06/25/2021   03:07:41   (  81.25, 178.02) 06/25/2021   03:08:02  (  81.25, 178.16)    2.41                21
 06/25/2021   03:58:20   ( -81.27, -13.76) 06/25/2021   03:57:28  ( -81.27, -13.91)    2.47                52
 06/27/2021   22:42:04   (  81.26,-115.39) 06/27/2021   22:42:14  (  81.26,-115.24)    2.61                10
 06/27/2021   23:32:44   ( -81.27,  52.46) 06/27/2021   23:31:41  ( -81.26,  52.35)    2.13                63
 06/30/2021   17:25:47   ( -81.25, 143.38) 06/30/2021   17:27:00  ( -81.25, 143.28)    1.82                73
 06/30/2021   18:16:26   (  81.26, -48.81) 06/30/2021   18:16:25  (  81.27, -48.68)    2.53                 1
 06/30/2021   19:06:59   ( -81.31, 121.79) 06/30/2021   19:05:45  ( -81.41, 121.59)   11.92                74
 07/03/2021   13:00:10   ( -81.25,-150.05) 07/03/2021   13:01:12  ( -81.25,-150.18)    2.11                62
 07/03/2021   13:50:50   (  81.26,  17.35) 07/03/2021   13:50:38  (  81.25,  17.47)    1.99                12
 07/06/2021   08:34:33   ( -81.26, -83.51) 07/06/2021   08:35:24  ( -81.26, -83.67)    2.77                51