Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 17.  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)
 12/19/2021   04:37:00   ( -81.25, -25.29) 12/19/2021   04:37:16  ( -81.25, -25.36)    1.18                16
 12/19/2021   05:27:40   (  81.26, 142.46) 12/19/2021   05:26:42  (  81.26, 142.38)    1.44                58
 12/22/2021   00:11:21   ( -81.26,  41.30) 12/22/2021   00:11:27  ( -81.26,  41.20)    1.64                 6
 12/22/2021   01:02:01   (  81.27,-150.96) 12/22/2021   01:00:53  (  81.26,-151.08)    2.05                68
 12/24/2021   18:55:04   (  81.24, -60.45) 12/24/2021   18:56:12  (  81.24, -60.29)    2.71                68
 12/24/2021   19:45:43   ( -81.25, 107.48) 12/24/2021   19:45:38  ( -81.26, 107.66)    3.15                 5
 12/27/2021   14:29:24   (  81.24,   6.07) 12/27/2021   14:30:22  (  81.23,   6.04)    0.96                58
 12/27/2021   15:20:03   ( -81.25, 174.02) 12/27/2021   15:19:48  ( -81.25, 174.02)    0.17                15
 12/30/2021   10:03:45   (  81.24,  72.56) 12/30/2021   10:04:32  (  81.24,  72.63)    1.20                47