Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2021 6 15.  Predictions up to the next  14.0 days:

     Date     Time(METOP-A) METOP-A Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2021   23:55:57   (  81.31,-133.00) 06/15/2021   23:56:32  (  81.31,-132.98)    0.61                35
 06/16/2021   00:46:37   ( -81.30,  34.59) 06/16/2021   00:45:59  ( -81.30,  34.58)    0.33                38
 06/18/2021   19:30:19   (  81.32, -66.78) 06/18/2021   19:30:45  (  81.30, -66.62)    3.05                26
 06/18/2021   20:20:59   ( -81.31, 100.83) 06/18/2021   20:20:12  ( -81.30, 100.96)    2.29                47
 06/21/2021   15:04:40   (  81.31,  -0.20) 06/21/2021   15:04:58  (  81.30,  -0.31)    2.24                18
 06/21/2021   15:55:20   ( -81.30, 167.43) 06/21/2021   15:54:25  ( -81.30, 167.30)    2.10                55
 06/24/2021   10:39:00   (  81.30,  66.37) 06/24/2021   10:39:09  (  81.31,  66.35)    1.17                 9
 06/24/2021   11:29:41   ( -81.30,-126.37) 06/24/2021   11:28:37  ( -81.29,-126.39)    1.64                64
 06/27/2021   05:22:43   ( -81.33, -35.45) 06/27/2021   05:23:57  ( -81.28, -35.41)    5.86                74
 06/27/2021   06:13:22   (  81.31, 132.54) 06/27/2021   06:13:22  (  81.30, 132.59)    1.14                 0