Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2021 6 16.  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   19:30:18   (  81.31, -66.51) 06/18/2021   19:30:44  (  81.32, -66.35)    2.91                26
 06/18/2021   20:20:59   ( -81.31, 100.71) 06/18/2021   20:20:12  ( -81.29, 100.84)    2.90                47
 06/21/2021   15:04:39   (  81.30,   0.08) 06/21/2021   15:04:57  (  81.31,  -0.04)    2.56                18
 06/21/2021   15:55:20   ( -81.30, 167.31) 06/21/2021   15:54:25  ( -81.29, 167.19)    2.51                55
 06/24/2021   10:39:01   (  81.30,  66.27) 06/24/2021   10:39:10  (  81.30,  66.25)    0.43                 9
 06/24/2021   11:29:41   ( -81.29,-126.10) 06/24/2021   11:28:37  ( -81.30,-126.13)    1.34                64
 06/27/2021   05:22:43   ( -81.33, -35.55) 06/27/2021   05:23:57  ( -81.27, -35.51)    6.88                74
 06/27/2021   06:13:22   (  81.31, 132.45) 06/27/2021   06:13:22  (  81.29, 132.49)    1.96                 0
 06/27/2021   07:04:02   ( -81.30, -59.91) 06/27/2021   07:02:49  ( -81.29, -59.85)    1.02                73