Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 10 19.  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)
 10/21/2021   04:07:23   (  81.25, 162.30) 10/21/2021   04:07:42  (  81.25, 162.43)    2.10                19
 10/21/2021   04:58:02   ( -81.27, -29.48) 10/21/2021   04:57:08  ( -81.26, -29.64)    2.81                54
 10/23/2021   23:41:45   (  81.25,-131.33) 10/23/2021   23:41:52  (  81.24,-131.19)    2.33                 7
 10/24/2021   00:32:24   ( -81.27,  36.92) 10/24/2021   00:31:18  ( -81.26,  36.76)    2.63                66
 10/26/2021   18:25:28   ( -81.24, 127.62) 10/26/2021   18:26:37  ( -81.24, 127.48)    2.58                69
 10/26/2021   19:16:07   (  81.25, -64.59) 10/26/2021   19:16:02  (  81.26, -64.49)    1.86                 5
 10/29/2021   13:59:50   ( -81.25,-165.65) 10/29/2021   14:00:47  ( -81.25,-165.84)    3.30                57
 10/29/2021   14:50:30   (  81.25,   1.74) 10/29/2021   14:50:13  (  81.25,   1.80)    1.06                17
 11/01/2021   09:34:13   ( -81.24, -99.71) 11/01/2021   09:34:57  ( -81.24, -99.59)    2.16                44