Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 12 13.  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,-158.24) 12/13/2021   13:28:55  ( -81.25,-158.24)    0.05                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, -91.59) 12/16/2021   09:03:05  ( -81.26, -91.65)    1.13                26
 12/16/2021   09:53:19   (  81.26,  76.15) 12/16/2021   09:52:31  (  81.26,  76.08)    1.14                48
 12/19/2021   04:37:00   ( -81.25, -25.34) 12/19/2021   04:37:15  ( -81.24, -25.47)    2.43                15
 12/19/2021   05:27:39   (  81.27, 142.77) 12/19/2021   05:26:40  (  81.27, 142.60)    2.84                59
 12/22/2021   00:11:22   ( -81.25,  40.89) 12/22/2021   00:11:25  ( -81.25,  41.04)    2.49                 3
 12/22/2021   01:02:01   (  81.26,-151.02) 12/22/2021   01:00:50  (  81.27,-150.92)    1.88                71
 12/24/2021   18:55:03   (  81.25, -60.09) 12/24/2021   18:56:08  (  81.25, -60.10)    0.56                65