Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 11.  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)
 05/13/2021   23:13:07   (  81.26,-122.88) 05/13/2021   23:13:53  (  81.27,-122.87)    0.82                46
 05/14/2021   00:03:47   ( -81.27,  44.74) 05/14/2021   00:03:20  ( -81.26,  44.68)    1.11                27
 05/16/2021   18:47:32   (  81.26, -56.53) 05/16/2021   18:48:06  (  81.25, -56.72)    3.29                34
 05/16/2021   19:38:12   ( -81.27, 111.14) 05/16/2021   19:37:32  ( -81.27, 111.23)    1.68                40
 05/19/2021   14:21:56   (  81.26,   9.80) 05/19/2021   14:22:17  (  81.25,   9.77)    0.72                21
 05/19/2021   15:12:35   ( -81.27, 177.90) 05/19/2021   15:11:43  ( -81.27, 177.75)    2.61                52
 05/22/2021   09:56:21   (  81.26,  76.11) 05/22/2021   09:56:29  (  81.25,  76.22)    1.83                 8
 05/22/2021   10:47:00   ( -81.27,-115.74) 05/22/2021   10:45:55  ( -81.28,-115.78)    0.80                65