Simultaneous Nadir Overpasses (SNOs) between METOP-A and TERRA
TLE Epoch: 2021 4 21.  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)
 04/23/2021   13:44:26   (  81.34,  20.41) 04/23/2021   13:45:33  (  81.33,  20.43)    0.53                67
 04/23/2021   14:35:06   ( -81.33,-172.01) 04/23/2021   14:35:00  ( -81.33,-172.04)    0.48                 6
 04/26/2021   09:18:48   (  81.33,  86.93) 04/26/2021   09:19:46  (  81.33,  86.87)    1.03                58
 04/26/2021   10:09:28   ( -81.32,-105.46) 04/26/2021   10:09:13  ( -81.33,-105.57)    2.11                15
 04/29/2021   04:53:10   (  81.32, 153.42) 04/29/2021   04:53:59  (  81.33, 153.27)    2.60                49
 04/29/2021   05:43:51   ( -81.33, -39.31) 04/29/2021   05:43:26  ( -81.33, -39.14)    2.86                25
 05/02/2021   00:27:32   (  81.33,-140.51) 05/02/2021   00:28:11  (  81.32,-140.38)    2.29                39
 05/02/2021   01:18:12   ( -81.32,  27.18) 05/02/2021   01:17:38  ( -81.32,  27.23)    0.97                34
 05/04/2021   20:01:54   (  81.33, -74.08) 05/04/2021   20:02:24  (  81.32, -74.08)    1.35                30