Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 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)
 12/10/2021   17:53:57   ( -81.24, 135.15) 12/10/2021   17:54:45  ( -81.24, 135.20)    0.89                48
 12/10/2021   18:44:37   (  81.25, -57.14) 12/10/2021   18:44:11  (  81.25, -57.06)    1.40                26
 12/13/2021   13:28:18   ( -81.25,-158.20) 12/13/2021   13:28:55  ( -81.25,-158.19)    0.32                37
 12/13/2021   14:18:58   (  81.26,   9.51) 12/13/2021   14:18:21  (  81.26,   9.52)    0.30                37
 12/16/2021   09:02:39   ( -81.25, -91.57) 12/16/2021   09:03:05  ( -81.26, -91.63)    1.15                26
 12/16/2021   09:53:19   (  81.26,  76.13) 12/16/2021   09:52:31  (  81.26,  76.06)    1.25                48
 12/19/2021   04:37:00   ( -81.25, -25.34) 12/19/2021   04:37:15  ( -81.24, -25.48)    2.62                15
 12/19/2021   05:27:39   (  81.27, 142.73) 12/19/2021   05:26:40  (  81.26, 142.55)    3.14                59
 12/22/2021   00:11:22   ( -81.25,  40.86) 12/22/2021   00:11:25  ( -81.24,  40.98)    2.05                 3