Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 1 25.  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)
 01/27/2021   03:40:44   ( -81.30,  -8.56) 01/27/2021   03:40:53  ( -81.30,  -8.44)    2.18                 9
 01/27/2021   04:31:23   (  81.31, 159.38) 01/27/2021   04:30:19  (  81.31, 159.32)    1.04                64
 01/29/2021   22:24:49   (  81.04,-118.78) 01/29/2021   22:26:02  (  80.75,-117.59)   38.55                73
 01/29/2021   23:15:06   ( -81.30,  57.78) 01/29/2021   23:15:07  ( -81.29,  57.84)    1.10                 1
 01/30/2021   00:05:45   (  81.31,-134.33) 01/30/2021   00:04:33  (  81.30,-134.44)    2.16                72
 02/01/2021   17:58:47   (  81.29, -43.32) 02/01/2021   17:59:53  (  81.30, -43.14)    3.20                66
 02/01/2021   18:49:27   ( -81.30, 124.50) 02/01/2021   18:49:20  ( -81.30, 124.45)    0.82                 7
 02/04/2021   13:33:08   (  81.29,  22.94) 02/04/2021   13:34:06  (  81.29,  23.04)    1.58                58
 02/04/2021   14:23:47   ( -81.31,-168.80) 02/04/2021   14:23:32  ( -81.31,-168.96)    2.84                15
 02/07/2021   09:07:29   (  81.30,  89.58) 02/07/2021   09:08:19  (  81.29,  89.56)    0.46                50