Simultaneous Nadir Overpasses (SNOs) between TERRA and METOP-C
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(TERRA) TERRA Lat/Lon Date Time(METOP-C) METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/12/2021   02:02:59   (  81.21,-167.36) 12/12/2021   02:01:59  (  81.20,-167.55)    3.25                60
 12/12/2021   02:52:25   ( -81.23,   0.53) 12/12/2021   02:52:37  ( -81.22,   0.57)    0.69                12
 12/14/2021   21:37:08   (  81.22,-100.79) 12/14/2021   21:36:20  (  81.21,-100.87)    1.71                48
 12/14/2021   22:26:35   ( -81.21,  66.76) 12/14/2021   22:26:59  ( -81.22,  66.84)    1.53                24
 12/17/2021   17:11:19   (  81.20, -34.63) 12/17/2021   17:10:43  (  81.21, -34.60)    0.75                36
 12/17/2021   18:00:45   ( -81.22, 133.32) 12/17/2021   18:01:21  ( -81.23, 133.49)    2.93                36
 12/20/2021   12:45:29   (  81.20,  31.86) 12/20/2021   12:45:05  (  81.21,  32.03)    3.05                24
 12/20/2021   13:34:55   ( -81.23,-160.16) 12/20/2021   13:35:44  ( -81.22,-160.26)    1.66                49
 12/23/2021   08:19:38   (  81.21,  98.31) 12/23/2021   08:19:27  (  81.21,  98.27)    0.87                11