Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 12.  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)
 12/13/2021   13:28:18   ( -81.25,-158.10) 12/13/2021   13:28:55  ( -81.26,-158.10)    0.59                37
 12/13/2021   14:18:58   (  81.26,   9.64) 12/13/2021   14:18:21  (  81.26,   9.65)    0.33                37
 12/16/2021   09:02:39   ( -81.25, -91.83) 12/16/2021   09:03:05  ( -81.24, -91.88)    1.00                26
 12/16/2021   09:53:18   (  81.27,  76.28) 12/16/2021   09:52:30  (  81.27,  76.21)    1.34                48
 12/19/2021   04:37:00   ( -81.25, -25.19) 12/19/2021   04:37:15  ( -81.25, -25.33)    2.29                15
 12/19/2021   05:27:40   (  81.26, 142.52) 12/19/2021   05:26:41  (  81.25, 142.37)    2.82                59
 12/22/2021   00:11:22   ( -81.25,  41.05) 12/22/2021   00:11:25  ( -81.26,  41.20)    2.56                 3
 12/22/2021   01:02:02   (  81.26,-151.25) 12/22/2021   01:00:51  (  81.26,-151.14)    1.92                71
 12/24/2021   18:55:03   (  81.24, -60.31) 12/24/2021   18:56:08  (  81.24, -60.31)    0.33                65