Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 5 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)
 05/19/2021   14:21:56   (  81.26,  10.10) 05/19/2021   14:22:17  (  81.27,  10.05)    0.99                21
 05/19/2021   15:12:36   ( -81.27, 177.76) 05/19/2021   15:11:44  ( -81.27, 177.60)    2.69                52
 05/22/2021   09:56:20   (  81.26,  76.41) 05/22/2021   09:56:28  (  81.27,  76.50)    1.74                 8
 05/22/2021   10:47:00   ( -81.27,-115.88) 05/22/2021   10:45:55  ( -81.27,-115.92)    0.77                65
 05/25/2021   04:40:06   ( -81.25, -25.22) 05/25/2021   04:41:15  ( -81.25, -25.14)    1.46                69
 05/25/2021   05:30:44   (  81.27, 143.09) 05/25/2021   05:30:40  (  81.27, 142.90)    3.21                 4
 05/28/2021   00:14:30   ( -81.26,  41.49) 05/28/2021   00:15:26  ( -81.26,  41.63)    2.53                56
 05/28/2021   01:05:09   (  81.27,-150.63) 05/28/2021   01:04:52  (  81.26,-150.73)    1.71                17