Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2021 6 17.  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)
 06/18/2021   19:30:19   (  81.32, -66.76) 06/18/2021   19:30:45  (  81.30, -66.61)    2.85                26
 06/18/2021   20:20:59   ( -81.31, 100.83) 06/18/2021   20:20:12  ( -81.30, 100.95)    2.14                47
 06/21/2021   15:04:40   (  81.31,  -0.17) 06/21/2021   15:04:58  (  81.30,  -0.30)    2.45                18
 06/21/2021   15:55:20   ( -81.30, 167.43) 06/21/2021   15:54:25  ( -81.29, 167.29)    2.44                55
 06/24/2021   10:39:00   (  81.30,  66.40) 06/24/2021   10:39:09  (  81.31,  66.34)    1.53                 9
 06/24/2021   11:29:41   ( -81.30,-126.36) 06/24/2021   11:28:37  ( -81.29,-126.42)    1.91                64
 06/27/2021   05:22:43   ( -81.33, -35.43) 06/27/2021   05:23:57  ( -81.28, -35.44)    5.94                74
 06/27/2021   06:13:22   (  81.30, 132.58) 06/27/2021   06:13:22  (  81.30, 132.57)    0.78                 0
 06/27/2021   07:04:02   ( -81.29, -59.79) 06/27/2021   07:02:49  ( -81.30, -59.78)    0.56                73
 06/30/2021   00:57:03   ( -81.31,  31.52) 06/30/2021   00:58:08  ( -81.31,  31.53)    0.24                65