Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 7 22.  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, 147.23) 07/23/2021   05:11:07  (  81.25, 147.18)    0.85                57
 07/23/2021   06:00:49   ( -81.26, -44.72) 07/23/2021   06:00:33  ( -81.26, -44.91)    3.13                16
 07/26/2021   00:44:33   (  81.25,-146.32) 07/26/2021   00:45:20  (  81.25,-146.38)    0.94                47
 07/26/2021   01:35:12   ( -81.27,  21.72) 07/26/2021   01:34:46  ( -81.27,  21.56)    2.79                26
 07/28/2021   20:18:55   (  81.25, -79.90) 07/28/2021   20:19:32  (  81.25, -79.95)    0.88                37
 07/28/2021   21:09:34   ( -81.27,  88.15) 07/28/2021   21:08:58  ( -81.27,  88.01)    2.29                36
 07/31/2021   15:53:18   (  81.25, -13.50) 07/31/2021   15:53:45  (  81.25, -13.53)    0.71                27
 07/31/2021   16:43:57   ( -81.27, 154.55) 07/31/2021   16:43:11  ( -81.27, 154.46)    1.66                46
 08/03/2021   11:27:41   (  81.25,  52.89) 08/03/2021   11:27:58  (  81.25,  52.88)    0.60                17