Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 10.  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)
 06/11/2021   02:06:24   ( -81.27,  14.03) 06/11/2021   02:06:26  ( -81.27,  13.86)    2.81                 2
 06/11/2021   02:57:04   (  81.27,-178.48) 06/11/2021   02:55:52  (  81.27,-178.40)    1.48                72
 06/13/2021   20:50:07   (  81.26, -87.49) 06/13/2021   20:51:12  (  81.25, -87.64)    2.60                65
 06/13/2021   21:40:47   ( -81.27,  80.35) 06/13/2021   21:40:38  ( -81.27,  80.32)    0.69                 9
 06/16/2021   16:24:31   (  81.25, -21.22) 06/16/2021   16:25:25  (  81.25, -21.25)    0.82                54
 06/16/2021   17:15:11   ( -81.26, 146.65) 06/16/2021   17:14:51  ( -81.27, 146.73)    1.41                20
 06/19/2021   11:58:54   (  81.26,  45.43) 06/19/2021   11:59:37  (  81.26,  45.48)    1.16                43
 06/19/2021   12:49:35   ( -81.26,-147.06) 06/19/2021   12:49:04  ( -81.26,-146.89)    2.96                31
 06/22/2021   07:33:17   (  81.25, 111.67) 06/22/2021   07:33:49  (  81.26, 111.80)    2.19                32