Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 9.  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, 135.17) 12/10/2021   17:54:45  ( -81.24, 135.22)    0.77                48
 12/10/2021   18:44:37   (  81.25, -57.10) 12/10/2021   18:44:11  (  81.25, -57.03)    1.31                26
 12/13/2021   13:28:18   ( -81.25,-158.16) 12/13/2021   13:28:55  ( -81.25,-158.16)    0.38                37
 12/13/2021   14:18:58   (  81.26,   9.56) 12/13/2021   14:18:21  (  81.26,   9.57)    0.15                37
 12/16/2021   09:02:40   ( -81.25, -91.90) 12/16/2021   09:03:06  ( -81.24, -91.95)    1.25                26
 12/16/2021   09:53:19   (  81.26,  76.20) 12/16/2021   09:52:31  (  81.27,  76.12)    1.37                48
 12/19/2021   04:37:00   ( -81.25, -25.26) 12/19/2021   04:37:15  ( -81.25, -25.41)    2.71                15
 12/19/2021   05:27:39   (  81.27, 142.83) 12/19/2021   05:26:40  (  81.27, 142.63)    3.28                59
 12/22/2021   00:11:22   ( -81.25,  40.97) 12/22/2021   00:11:25  ( -81.25,  41.08)    1.80                 3