Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 7 21.  Predictions up to the next  14.0 days:

     Date     Time(METOP-B) METOP-B Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2021   05:10:10   (  81.25, 147.08) 07/23/2021   05:11:06  (  81.24, 147.09)    0.59                56
 07/23/2021   06:00:49   ( -81.26, -44.86) 07/23/2021   06:00:32  ( -81.26, -44.99)    2.19                17
 07/26/2021   00:44:33   (  81.25,-146.47) 07/26/2021   00:45:17  (  81.25,-146.29)    3.07                44
 07/26/2021   01:35:12   ( -81.26,  21.59) 07/26/2021   01:34:43  ( -81.27,  21.66)    1.45                29
 07/28/2021   20:18:55   (  81.26, -79.64) 07/28/2021   20:19:28  (  81.26, -79.70)    1.15                33
 07/28/2021   21:09:35   ( -81.26,  88.04) 07/28/2021   21:08:55  ( -81.26,  87.90)    2.29                40
 07/31/2021   15:53:18   (  81.25, -13.59) 07/31/2021   15:53:39  (  81.25, -13.51)    1.52                21
 07/31/2021   16:43:57   ( -81.26, 154.47) 07/31/2021   16:43:05  ( -81.27, 154.49)    0.61                52
 08/03/2021   11:27:40   (  81.26,  53.21) 08/03/2021   11:27:50  (  81.25,  53.03)    3.16                10