Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 22.  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, 178.03) 06/25/2021   03:08:02  (  81.25, 178.17)    2.35                21
 06/25/2021   03:58:20   ( -81.27, -13.74) 06/25/2021   03:57:28  ( -81.27, -13.89)    2.50                52
 06/27/2021   22:42:04   (  81.26,-115.37) 06/27/2021   22:42:14  (  81.26,-115.23)    2.51                10
 06/27/2021   23:32:44   ( -81.27,  52.49) 06/27/2021   23:31:41  ( -81.26,  52.37)    2.17                63
 06/30/2021   17:25:47   ( -81.25, 143.42) 06/30/2021   17:27:00  ( -81.25, 143.31)    1.95                73
 06/30/2021   18:16:26   (  81.26, -48.79) 06/30/2021   18:16:25  (  81.27, -48.66)    2.38                 1
 06/30/2021   19:06:59   ( -81.31, 121.82) 06/30/2021   19:05:45  ( -81.41, 121.62)   12.08                74
 07/03/2021   13:00:10   ( -81.26,-150.00) 07/03/2021   13:01:12  ( -81.25,-150.14)    2.37                62
 07/03/2021   13:50:50   (  81.26,  17.39) 07/03/2021   13:50:38  (  81.25,  17.49)    1.68                12
 07/06/2021   08:34:33   ( -81.26, -83.44) 07/06/2021   08:35:24  ( -81.26, -83.63)    3.19                51