Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 1 16.  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)
 01/18/2021   16:57:39   ( -81.29, 152.09) 01/18/2021   16:58:14  ( -81.29, 152.09)    0.44                35
 01/18/2021   17:48:19   (  81.30, -40.27) 01/18/2021   17:47:40  (  81.30, -40.16)    1.90                39
 01/21/2021   12:32:02   ( -81.29,-141.52) 01/21/2021   12:32:27  ( -81.29,-141.54)    0.87                25
 01/21/2021   13:22:41   (  81.30,  26.46) 01/21/2021   13:21:52  (  81.31,  26.56)    1.94                49
 01/24/2021   08:06:25   ( -81.30, -74.76) 01/24/2021   08:06:40  ( -81.30, -74.83)    1.21                15
 01/24/2021   08:57:05   (  81.30,  92.79) 01/24/2021   08:56:06  (  81.31,  92.87)    1.42                59
 01/27/2021   03:40:49   ( -81.30,  -8.40) 01/27/2021   03:40:54  ( -81.29,  -8.53)    2.30                 5
 01/27/2021   04:31:29   (  81.30, 159.09) 01/27/2021   04:30:20  (  81.30, 159.14)    1.01                69
 01/29/2021   22:24:32   (  81.29,-109.91) 01/29/2021   22:25:40  (  81.28,-109.92)    0.77                68