Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 7 11.  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)
 07/11/2021   23:43:19   ( -81.25,  49.16) 07/11/2021   23:43:47  ( -81.26,  49.21)    0.81                28
 07/12/2021   00:33:58   (  81.27,-142.92) 07/12/2021   00:33:13  (  81.26,-143.06)    2.41                45
 07/14/2021   19:17:42   ( -81.26, 115.67) 07/14/2021   19:17:59  ( -81.25, 115.61)    0.98                17
 07/14/2021   20:08:22   (  81.26, -76.80) 07/14/2021   20:07:25  (  81.26, -76.68)    2.11                57
 07/17/2021   14:52:04   ( -81.26,-177.84) 07/17/2021   14:52:10  ( -81.25,-178.02)    3.10                 6
 07/17/2021   15:42:43   (  81.27,  -9.93) 07/17/2021   15:41:35  (  81.27,  -9.96)    0.82                68
 07/20/2021   09:35:47   (  81.25,  80.87) 07/20/2021   09:36:55  (  81.24,  80.69)    3.02                68
 07/20/2021   10:26:27   ( -81.26,-111.37) 07/20/2021   10:26:21  ( -81.27,-111.31)    1.23                 6
 07/23/2021   05:10:10   (  81.25, 147.32) 07/23/2021   05:11:06  (  81.26, 147.34)    0.66                56