Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 8.  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)
 05/08/2021   08:04:18   (  81.26, 104.03) 05/08/2021   08:05:29  (  81.25, 104.01)    0.40                71
 05/08/2021   08:54:57   ( -81.27, -88.03) 05/08/2021   08:54:55  ( -81.27, -88.10)    1.23                 2
 05/11/2021   03:38:42   (  81.26, 170.81) 05/11/2021   03:39:41  (  81.26, 170.61)    3.26                59
 05/11/2021   04:29:23   ( -81.26, -21.98) 05/11/2021   04:29:08  ( -81.26, -21.84)    2.42                15
 05/13/2021   23:13:08   (  81.25,-123.21) 05/13/2021   23:13:54  (  81.25,-123.19)    0.70                46
 05/14/2021   00:03:47   ( -81.27,  44.82) 05/14/2021   00:03:20  ( -81.27,  44.76)    1.13                27
 05/16/2021   18:47:32   (  81.25, -56.85) 05/16/2021   18:48:05  (  81.25, -56.66)    3.26                33
 05/16/2021   19:38:11   ( -81.27, 111.23) 05/16/2021   19:37:31  ( -81.27, 111.32)    1.68                40
 05/19/2021   14:21:56   (  81.26,   9.88) 05/19/2021   14:22:17  (  81.26,   9.84)    0.74                21