Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2017 12 25.  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)
 12/27/2017   11:04:18   (  68.40,  12.59) 12/27/2017   11:05:09  (  68.39,  12.58)    0.55                51
 12/27/2017   11:54:59   ( -68.27,-179.92) 12/27/2017   11:54:39  ( -68.28,-179.91)    1.70                20
 12/27/2017   12:45:27   (  67.39, -11.53) 12/27/2017   12:44:19  (  67.45, -13.24)   73.02                68
 12/30/2017   04:10:27   ( -68.37, -63.92) 12/30/2017   04:11:07  ( -68.36, -63.94)    1.08                40
 12/30/2017   05:01:09   (  68.26, 103.54) 12/30/2017   05:00:34  (  68.25, 103.57)    1.70                35
 01/01/2018   20:26:13   ( -69.43,  50.78) 01/01/2018   20:27:19  ( -69.32,  53.15)   93.96                66
 01/01/2018   21:16:36   (  68.32,-140.39) 01/01/2018   21:17:02  (  68.33,-140.46)    3.03                26
 01/01/2018   22:07:18   ( -68.23,  27.04) 01/01/2018   22:06:32  ( -68.22,  27.05)    1.13                46
 01/04/2018   13:32:12   (  68.91, -25.03) 01/04/2018   13:33:22  (  68.78, -24.02)   42.88                70
 01/04/2018   14:22:45   ( -68.33, 143.04) 01/04/2018   14:22:58  ( -68.34, 143.08)    1.71                13
 01/04/2018   15:13:26   (  68.18, -49.44) 01/04/2018   15:12:26  (  68.17, -49.49)    2.02                60
 01/07/2018   06:38:14   ( -68.49,-101.02) 01/07/2018   06:39:25  ( -68.46,-100.91)    5.85                71
 01/07/2018   07:28:54   (  68.28,  66.57) 01/07/2018   07:28:53  (  68.28,  66.53)    1.48                 1
 01/07/2018   08:19:36   ( -68.19,-126.00) 01/07/2018   08:18:23  ( -68.18,-125.96)    2.04                73