Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 1 17.  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, 152.29) 01/18/2021   16:58:13  ( -81.30, 152.28)    0.42                35
 01/18/2021   17:48:18   (  81.30, -40.06) 01/18/2021   17:47:39  (  81.31, -39.95)    1.87                39
 01/21/2021   12:32:02   ( -81.30,-141.32) 01/21/2021   12:32:27  ( -81.30,-141.35)    0.39                25
 01/21/2021   13:22:42   (  81.30,  26.28) 01/21/2021   13:21:53  (  81.30,  26.39)    1.83                49
 01/24/2021   08:06:25   ( -81.30, -74.95) 01/24/2021   08:06:40  ( -81.29, -75.01)    1.20                15
 01/24/2021   08:57:05   (  81.30,  92.60) 01/24/2021   08:56:06  (  81.30,  92.69)    1.65                59
 01/27/2021   03:40:48   ( -81.30,  -8.20) 01/27/2021   03:40:53  ( -81.31,  -8.33)    2.30                 5
 01/27/2021   04:31:28   (  81.31, 159.30) 01/27/2021   04:30:19  (  81.31, 159.34)    0.79                69
 01/29/2021   22:24:32   (  81.29,-109.70) 01/29/2021   22:25:40  (  81.30,-109.71)    0.25                68