Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2017 12 23.  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)
 12/24/2017   17:57:54   ( -69.18,  88.21) 12/24/2017   17:59:03  ( -69.07,  89.91)   68.46                69
 12/24/2017   18:48:22   (  68.32,-103.33) 12/24/2017   18:48:41  (  68.35,-103.34)    3.40                19
 12/24/2017   19:39:02   ( -68.23,  64.12) 12/24/2017   19:38:11  ( -68.24,  64.16)    2.46                51
 12/27/2017   11:53:25   ( -68.43,-179.73) 12/27/2017   11:54:36  ( -68.44,-179.72)    1.02                71
 12/27/2017   12:44:07   (  68.33, -12.27) 12/27/2017   12:44:03  (  68.33, -12.21)    2.54                 4
 12/27/2017   13:34:46   ( -68.17, 155.25) 12/27/2017   13:33:34  ( -68.17, 155.23)    1.06                72
 12/30/2017   05:49:11   ( -68.43, -88.67) 12/30/2017   05:49:59  ( -68.41, -88.60)    3.39                48
 12/30/2017   06:39:52   (  68.27,  78.85) 12/30/2017   06:39:26  (  68.29,  78.91)    3.26                26
 12/30/2017   07:30:18   ( -67.41,-112.76) 12/30/2017   07:29:09  ( -67.46,-114.42)   70.85                69
 01/01/2018   22:54:32   (  69.34,-166.17) 01/01/2018   22:55:39  (  69.19,-164.09)   83.53                67
 01/01/2018   23:44:56   ( -68.37,   2.47) 01/01/2018   23:45:22  ( -68.37,   2.51)    1.85                26
 01/02/2018   00:35:37   (  68.22, 169.97) 01/02/2018   00:34:50  (  68.20, 169.95)    3.05                47
 01/04/2018   16:50:03   (  68.53, -74.02) 01/04/2018   16:51:14  (  68.47, -73.83)   10.01                71
 01/04/2018   17:40:41   ( -68.31,  93.60) 01/04/2018   17:40:45  ( -68.32,  93.61)    0.80                 4
 01/04/2018   18:31:22   (  68.17, -98.90) 01/04/2018   18:30:13  (  68.14, -98.95)    3.42                69