Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2021 4 18.  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)
 04/20/2021   19:00:43   ( -81.33, 121.49) 04/20/2021   19:00:47  ( -81.33, 121.60)    1.86                 4
 04/20/2021   19:51:23   (  81.32, -70.81) 04/20/2021   19:50:13  (  81.34, -70.64)    3.38                70
 04/23/2021   13:44:23   (  81.32,  20.72) 04/23/2021   13:45:33  (  81.34,  20.58)    2.85                70
 04/23/2021   14:35:04   ( -81.33,-172.08) 04/23/2021   14:35:01  ( -81.31,-172.24)    3.12                 3
 04/26/2021   09:18:45   (  81.34,  86.71) 04/26/2021   09:19:47  (  81.32,  86.68)    1.85                62
 04/26/2021   10:09:25   ( -81.33,-105.66) 04/26/2021   10:09:14  ( -81.32,-105.74)    1.58                11
 04/29/2021   04:53:05   (  81.34, 153.08) 04/29/2021   04:53:59  (  81.32, 153.11)    1.69                54
 04/29/2021   05:43:45   ( -81.32, -39.25) 04/29/2021   05:43:26  ( -81.32, -39.27)    0.59                19
 05/02/2021   00:27:26   (  81.34,-140.56) 05/02/2021   00:28:12  (  81.32,-140.49)    2.17                46