Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 4.  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)
 05/05/2021   13:20:34   ( -81.26,-154.78) 05/05/2021   13:20:44  ( -81.26,-154.69)    1.62                10
 05/05/2021   14:11:14   (  81.27,  12.97) 05/05/2021   14:10:10  (  81.27,  13.07)    1.62                64
 05/08/2021   08:04:18   (  81.26, 104.07) 05/08/2021   08:05:29  (  81.26, 104.05)    0.41                71
 05/08/2021   08:54:57   ( -81.27, -87.95) 05/08/2021   08:54:55  ( -81.27, -88.02)    1.32                 2
 05/11/2021   03:38:42   (  81.26, 170.84) 05/11/2021   03:39:41  (  81.26, 170.64)    3.37                59
 05/11/2021   04:29:23   ( -81.26, -21.91) 05/11/2021   04:29:08  ( -81.26, -21.77)    2.40                15
 05/13/2021   23:13:08   (  81.25,-123.18) 05/13/2021   23:13:54  (  81.25,-123.17)    0.54                46
 05/14/2021   00:03:47   ( -81.27,  44.89) 05/14/2021   00:03:20  ( -81.27,  44.82)    1.22                27
 05/16/2021   18:47:32   (  81.25, -56.83) 05/16/2021   18:48:05  (  81.25, -56.65)    3.09                33