Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 10 6.  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)
 10/07/2021   03:06:08   ( -81.26,  -1.84) 10/07/2021   03:06:13  ( -81.25,  -1.99)    2.50                 5
 10/07/2021   03:56:48   (  81.26, 165.66) 10/07/2021   03:55:39  (  81.26, 165.73)    1.26                69
 10/09/2021   21:49:50   (  81.25,-103.27) 10/09/2021   21:50:58  (  81.25,-103.26)    0.33                68
 10/09/2021   22:40:31   ( -81.25,  64.15) 10/09/2021   22:40:25  ( -81.25,  64.32)    2.78                 6
 10/12/2021   17:24:12   (  81.24, -36.94) 10/12/2021   17:25:10  (  81.24, -37.03)    1.75                58
 10/12/2021   18:14:52   ( -81.26, 130.90) 10/12/2021   18:14:36  ( -81.26, 130.95)    0.78                16
 10/15/2021   12:58:33   (  81.24,  29.36) 10/15/2021   12:59:20  (  81.24,  29.52)    2.73                47
 10/15/2021   13:49:12   ( -81.26,-162.38) 10/15/2021   13:48:46  ( -81.27,-162.48)    1.73                26
 10/18/2021   08:32:54   (  81.25,  96.02) 10/18/2021   08:33:31  (  81.25,  96.02)    0.09                37