Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2020 12 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)
 12/27/2020   05:13:09   (  81.29, 148.25) 12/27/2020   05:13:48  (  81.30, 148.38)    2.20                39
 12/27/2020   06:03:48   ( -81.30, -43.89) 12/27/2020   06:03:15  ( -81.29, -44.08)    3.34                33
 12/30/2020   00:47:33   (  81.29,-145.26) 12/30/2020   00:48:03  (  81.29,-145.36)    1.77                30
 12/30/2020   01:38:12   ( -81.30,  22.63) 12/30/2020   01:37:29  ( -81.30,  22.59)    0.70                43
 01/01/2021   20:21:57   (  81.29, -78.80) 01/01/2021   20:22:17  (  81.30, -78.76)    0.71                20
 01/01/2021   21:12:37   ( -81.30,  88.74) 01/01/2021   21:11:44  ( -81.29,  88.84)    1.68                53
 01/04/2021   15:56:20   (  81.29, -12.35) 01/04/2021   15:56:30  (  81.30, -12.20)    2.72                10
 01/04/2021   16:47:00   ( -81.30, 155.23) 01/04/2021   16:45:57  ( -81.30, 155.42)    3.21                63
 01/07/2021   10:40:20   ( -81.14,-119.74) 01/07/2021   10:41:34  ( -80.93,-119.15)   25.96                74
 01/07/2021   11:30:44   (  81.30,  54.07) 01/07/2021   11:30:45  (  81.29,  53.94)    2.51                 1