Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 12.  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)
 05/13/2021   23:13:08   (  81.26,-123.12) 05/13/2021   23:13:54  (  81.25,-123.10)    0.48                46
 05/14/2021   00:03:47   ( -81.27,  44.88) 05/14/2021   00:03:20  ( -81.27,  44.81)    1.08                27
 05/16/2021   18:47:31   (  81.26, -56.39) 05/16/2021   18:48:05  (  81.26, -56.56)    3.02                34
 05/16/2021   19:38:11   ( -81.27, 111.27) 05/16/2021   19:37:31  ( -81.28, 111.38)    2.04                40
 05/19/2021   14:21:56   (  81.26,   9.94) 05/19/2021   14:22:17  (  81.26,   9.93)    0.26                21
 05/19/2021   15:12:36   ( -81.27, 177.64) 05/19/2021   15:11:44  ( -81.26, 177.53)    2.14                52
 05/22/2021   09:56:21   (  81.26,  76.24) 05/22/2021   09:56:29  (  81.26,  76.39)    2.57                 8
 05/22/2021   10:47:01   ( -81.27,-116.01) 05/22/2021   10:45:56  ( -81.26,-115.99)    0.50                65
 05/25/2021   04:40:05   ( -81.25, -24.98) 05/25/2021   04:41:14  ( -81.26, -24.82)    2.85                69