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)
 12/09/2021   06:28:49   (  81.21, 126.14) 12/09/2021   06:27:36  (  81.21, 126.27)    2.12                73
 12/09/2021   07:18:15   ( -81.22, -65.98) 12/09/2021   07:18:15  ( -81.22, -65.98)    0.24                 0
 12/09/2021   08:07:24   (  81.56, 108.35) 12/09/2021   08:08:38  (  81.33, 108.58)   26.70                74
 12/12/2021   02:02:58   (  81.22,-167.24) 12/12/2021   02:01:58  (  81.21,-167.42)    3.37                60
 12/12/2021   02:52:25   ( -81.21,   0.29) 12/12/2021   02:52:37  ( -81.22,   0.31)    0.68                12
 12/14/2021   21:37:09   (  81.20,-101.03) 12/14/2021   21:36:21  (  81.20,-101.13)    1.72                48
 12/14/2021   22:26:35   ( -81.22,  66.90) 12/14/2021   22:26:59  ( -81.22,  66.97)    1.30                24
 12/17/2021   17:11:19   (  81.21, -34.50) 12/17/2021   17:10:43  (  81.21, -34.48)    0.30                36
 12/17/2021   18:00:45   ( -81.23, 133.45) 12/17/2021   18:01:21  ( -81.23, 133.61)    2.72                36
 12/20/2021   12:45:28   (  81.21,  31.99) 12/20/2021   12:45:04  (  81.22,  32.15)    2.66                24