Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 13.  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)
 06/13/2021   20:50:07   (  81.26, -87.35) 06/13/2021   20:51:12  (  81.26, -87.51)    2.62                65
 06/13/2021   21:40:48   ( -81.26,  80.08) 06/13/2021   21:40:39  ( -81.25,  80.05)    0.94                 9
 06/16/2021   16:24:31   (  81.26, -21.08) 06/16/2021   16:25:25  (  81.26, -21.12)    0.65                54
 06/16/2021   17:15:11   ( -81.27, 146.77) 06/16/2021   17:14:51  ( -81.27, 146.84)    1.49                20
 06/19/2021   11:58:54   (  81.25,  45.18) 06/19/2021   11:59:37  (  81.25,  45.23)    1.03                43
 06/19/2021   12:49:34   ( -81.26,-146.94) 06/19/2021   12:49:03  ( -81.27,-146.78)    2.88                31
 06/22/2021   07:33:17   (  81.26, 111.80) 06/22/2021   07:33:49  (  81.27, 111.92)    2.21                32
 06/22/2021   08:23:57   ( -81.27, -80.29) 06/22/2021   08:23:16  ( -81.26, -80.44)    2.51                41
 06/25/2021   03:07:41   (  81.25, 178.03) 06/25/2021   03:08:02  (  81.26, 178.21)    2.97                21