Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 6 12.  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, -87.34) 06/13/2021   20:51:12  (  81.26, -87.50)    2.64                65
 06/13/2021   21:40:48   ( -81.26,  80.10) 06/13/2021   21:40:39  ( -81.25,  80.07)    0.89                 9
 06/16/2021   16:24:31   (  81.26, -21.07) 06/16/2021   16:25:25  (  81.26, -21.11)    0.74                54
 06/16/2021   17:15:11   ( -81.27, 146.79) 06/16/2021   17:14:51  ( -81.27, 146.86)    1.45                20
 06/19/2021   11:58:54   (  81.25,  45.19) 06/19/2021   11:59:37  (  81.25,  45.24)    0.83                43
 06/19/2021   12:49:34   ( -81.26,-146.92) 06/19/2021   12:49:03  ( -81.27,-146.77)    2.69                31
 06/22/2021   07:33:17   (  81.26, 111.83) 06/22/2021   07:33:49  (  81.27, 111.93)    1.85                32
 06/22/2021   08:23:57   ( -81.27, -80.26) 06/22/2021   08:23:16  ( -81.27, -80.43)    2.88                41
 06/25/2021   03:07:41   (  81.25, 178.07) 06/25/2021   03:08:02  (  81.26, 178.21)    2.39                21