Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 20.  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)
 05/22/2021   09:56:20   (  81.26,  76.31) 05/22/2021   09:56:29  (  81.26,  76.31)    0.19                 9
 05/22/2021   10:46:59   ( -81.27,-115.62) 05/22/2021   10:45:55  ( -81.28,-115.78)    2.57                64
 05/25/2021   04:40:03   ( -81.26, -24.86) 05/25/2021   04:41:14  ( -81.25, -25.01)    2.46                71
 05/25/2021   05:30:43   (  81.26, 142.70) 05/25/2021   05:30:40  (  81.26, 142.69)    0.49                 3
 05/28/2021   00:14:27   ( -81.26,  41.56) 05/28/2021   00:15:26  ( -81.25,  41.37)    3.29                59
 05/28/2021   01:05:06   (  81.27,-150.54) 05/28/2021   01:04:51  (  81.27,-150.58)    0.99                15
 05/30/2021   19:48:51   ( -81.26, 107.97) 05/30/2021   19:49:37  ( -81.27, 108.08)    2.14                46
 05/30/2021   20:39:30   (  81.27, -84.18) 05/30/2021   20:39:03  (  81.27, -84.28)    1.69                27
 06/02/2021   15:23:14   ( -81.26, 174.36) 06/02/2021   15:23:48  ( -81.26, 174.37)    0.31                34