Simultaneous Nadir Overpasses (SNOs) between METOP-B and TERRA
TLE Epoch: 2021 9 7.  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)
 09/09/2021   00:13:11   (  81.25,-138.81) 09/09/2021   00:13:40  (  81.24,-138.88)    1.45                29
 09/09/2021   01:03:50   ( -81.26,  29.14) 09/09/2021   01:03:06  ( -81.26,  29.05)    1.55                44
 09/11/2021   19:47:33   (  81.25, -72.27) 09/11/2021   19:47:52  (  81.26, -72.14)    2.38                19
 09/11/2021   20:38:13   ( -81.26,  95.33) 09/11/2021   20:37:19  ( -81.25,  95.44)    1.91                54
 09/14/2021   15:21:54   (  81.25,  -5.76) 09/14/2021   15:22:04  (  81.25,  -5.82)    1.07                10
 09/14/2021   16:12:33   ( -81.27, 162.27) 09/14/2021   16:11:30  ( -81.27, 162.16)    1.95                63
 09/17/2021   10:05:41   ( -81.20,-108.77) 09/17/2021   10:06:55  ( -81.15,-108.66)    6.37                74
 09/17/2021   10:56:16   (  81.26,  60.73) 09/17/2021   10:56:16  (  81.26,  60.83)    1.91                 0
 09/17/2021   11:46:56   ( -81.26,-131.58) 09/17/2021   11:45:43  ( -81.26,-131.53)    0.73                73
 09/20/2021   05:39:59   ( -81.24, -40.72) 09/20/2021   05:41:03  ( -81.25, -40.56)    2.95                64