Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 1 18.  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   16:57:38   ( -81.30, 152.23) 01/18/2021   16:58:13  ( -81.30, 152.23)    0.17                35
 01/18/2021   17:48:18   (  81.30, -40.11) 01/18/2021   17:47:39  (  81.31, -40.00)    1.82                39
 01/21/2021   12:32:02   ( -81.30,-141.38) 01/21/2021   12:32:27  ( -81.29,-141.41)    0.58                25
 01/21/2021   13:22:42   (  81.30,  26.23) 01/21/2021   13:21:53  (  81.30,  26.34)    1.74                49
 01/24/2021   08:06:26   ( -81.30, -75.00) 01/24/2021   08:06:41  ( -81.29, -75.08)    1.63                15
 01/24/2021   08:57:05   (  81.31,  92.95) 01/24/2021   08:56:06  (  81.31,  93.01)    1.38                59
 01/27/2021   03:40:48   ( -81.30,  -8.24) 01/27/2021   03:40:53  ( -81.30,  -8.41)    2.82                 5
 01/27/2021   04:31:28   (  81.30, 159.26) 01/27/2021   04:30:19  (  81.30, 159.28)    0.23                69
 01/29/2021   22:24:32   (  81.29,-109.73) 01/29/2021   22:25:40  (  81.29,-109.79)    1.03                68