Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 19.  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)
 05/19/2021   14:21:56   (  81.26,   9.99) 05/19/2021   14:22:17  (  81.26,   9.95)    0.77                21
 05/19/2021   15:12:36   ( -81.27, 177.64) 05/19/2021   15:11:44  ( -81.26, 177.48)    2.93                52
 05/22/2021   09:56:20   (  81.26,  76.30) 05/22/2021   09:56:28  (  81.26,  76.38)    1.40                 8
 05/22/2021   10:47:00   ( -81.27,-116.00) 05/22/2021   10:45:55  ( -81.26,-116.06)    1.29                65
 05/25/2021   04:40:05   ( -81.25, -24.96) 05/25/2021   04:41:14  ( -81.26, -24.92)    0.87                69
 05/25/2021   05:30:45   (  81.26, 142.59) 05/25/2021   05:30:40  (  81.26, 142.77)    3.03                 5
 05/28/2021   00:14:30   ( -81.25,  41.36) 05/28/2021   00:15:26  ( -81.25,  41.46)    1.69                56
 05/28/2021   01:05:09   (  81.26,-150.74) 05/28/2021   01:04:52  (  81.26,-150.88)    2.51                17
 05/30/2021   19:48:55   ( -81.25, 107.67) 05/30/2021   19:49:38  ( -81.25, 107.79)    2.19                43