Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 9.  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)
 05/11/2021   03:38:42   (  81.26, 170.73) 05/11/2021   03:39:41  (  81.26, 170.54)    3.16                59
 05/11/2021   04:29:22   ( -81.27, -21.68) 05/11/2021   04:29:07  ( -81.27, -21.55)    2.46                15
 05/13/2021   23:13:07   (  81.26,-122.91) 05/13/2021   23:13:53  (  81.27,-122.89)    0.75                46
 05/14/2021   00:03:47   ( -81.27,  44.73) 05/14/2021   00:03:20  ( -81.26,  44.67)    1.03                27
 05/16/2021   18:47:32   (  81.26, -56.55) 05/16/2021   18:48:06  (  81.25, -56.73)    3.14                34
 05/16/2021   19:38:12   ( -81.27, 111.13) 05/16/2021   19:37:32  ( -81.27, 111.24)    1.88                40
 05/19/2021   14:21:56   (  81.26,   9.78) 05/19/2021   14:22:17  (  81.25,   9.77)    0.50                21
 05/19/2021   15:12:35   ( -81.27, 177.90) 05/19/2021   15:11:43  ( -81.27, 177.77)    2.28                52
 05/22/2021   09:56:21   (  81.26,  76.10) 05/22/2021   09:56:29  (  81.26,  76.23)    2.34                 8