Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 3 6.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/06/2018   18:47:33   ( -68.49,  76.52) 03/06/2018   18:48:45  ( -68.45,  76.77)   11.24                72
 03/06/2018   19:38:15   (  68.25,-115.86) 03/06/2018   19:38:14  (  68.22,-115.85)    2.99                 1
 03/06/2018   20:28:56   ( -68.12,  51.62) 03/06/2018   20:27:44  ( -68.12,  51.66)    1.44                72
 03/09/2018   11:04:24   ( -68.29,-167.45) 03/09/2018   11:05:17  ( -68.31,-167.51)    3.53                53
 03/09/2018   11:55:09   (  68.21,  -0.04) 03/09/2018   11:54:44  (  68.19,  -0.00)    2.51                25
 03/09/2018   12:45:36   ( -67.33, 168.36) 03/09/2018   12:44:27  ( -67.37, 166.68)   72.26                69
 03/12/2018   02:30:55   (  69.35, 139.57) 03/12/2018   02:32:01  (  69.27, 141.94)   93.39                66
 03/12/2018   03:21:19   ( -68.30, -51.70) 03/12/2018   03:21:47  ( -68.28, -51.67)    3.29                28
 03/12/2018   04:12:03   (  68.18, 115.77) 03/12/2018   04:11:14  (  68.16, 115.83)    3.19                49
 03/14/2018   18:47:33   (  68.51,-103.52) 03/14/2018   18:48:44  (  68.44,-103.23)   14.11                71
 03/14/2018   19:38:11   ( -68.21,  64.19) 03/14/2018   19:38:16  ( -68.23,  64.15)    2.56                 5
 03/14/2018   20:28:55   (  68.09,-128.34) 03/14/2018   20:27:43  (  68.11,-128.34)    2.71                72
 03/17/2018   11:04:24   (  68.31,  12.51) 03/17/2018   11:05:15  (  68.33,  12.52)    1.68                51
 03/17/2018   11:55:05   ( -68.17,-179.99) 03/17/2018   11:54:46  ( -68.17, 179.97)    1.64                19
 03/17/2018   12:45:34   (  67.24, -11.55) 03/17/2018   12:44:26  (  67.32, -13.36)   78.54                68