Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 9 11.  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)
 09/11/2021   19:47:33   (  81.25, -72.22) 09/11/2021   19:47:52  (  81.26, -72.09)    2.36                19
 09/11/2021   20:38:13   ( -81.26,  95.34) 09/11/2021   20:37:19  ( -81.26,  95.44)    1.71                54
 09/14/2021   15:21:54   (  81.26,  -5.70) 09/14/2021   15:22:04  (  81.25,  -5.78)    1.39                10
 09/14/2021   16:12:33   ( -81.27, 162.30) 09/14/2021   16:11:30  ( -81.27, 162.16)    2.38                63
 09/17/2021   10:05:38   ( -81.23,-107.58) 09/17/2021   10:06:52  ( -81.22,-107.57)    1.73                74
 09/17/2021   10:56:17   (  81.25,  60.42) 09/17/2021   10:56:17  (  81.24,  60.48)    1.29                 0
 09/17/2021   11:46:56   ( -81.26,-131.54) 09/17/2021   11:45:43  ( -81.26,-131.55)    0.11                73
 09/20/2021   05:39:59   ( -81.25, -40.66) 09/20/2021   05:41:03  ( -81.25, -40.58)    1.63                64
 09/20/2021   06:30:39   (  81.25, 126.90) 09/20/2021   06:30:29  (  81.25, 127.08)    2.99                10
 09/23/2021   01:14:21   ( -81.24,  25.47) 09/23/2021   01:15:15  ( -81.24,  25.63)    2.71                54