Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 1 29.  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)
 01/31/2018   02:30:54   ( -69.08, -40.00) 01/31/2018   02:32:03  ( -69.00, -38.43)   63.46                69
 01/31/2018   03:21:25   (  68.27, 128.39) 01/31/2018   03:21:41  (  68.28, 128.32)    2.94                16
 01/31/2018   04:12:07   ( -68.18, -64.18) 01/31/2018   04:11:11  ( -68.17, -64.17)    0.90                56
 02/02/2018   18:47:36   ( -68.38,  76.70) 02/02/2018   18:48:45  ( -68.38,  76.67)    1.42                69
 02/02/2018   19:38:20   (  68.26,-115.84) 02/02/2018   19:38:12  (  68.26,-115.83)    0.65                 8
 02/02/2018   20:28:58   ( -67.96,  51.86) 02/02/2018   20:27:45  ( -67.99,  51.49)   15.94                73
 02/05/2018   11:04:30   ( -68.32,-167.46) 02/05/2018   11:05:17  ( -68.35,-167.50)    3.27                47
 02/05/2018   11:55:14   (  68.20,   0.00) 02/05/2018   11:54:44  (  68.23,   0.01)    2.56                30
 02/05/2018   12:45:38   ( -67.14, 168.61) 02/05/2018   12:44:31  ( -67.18, 166.45)   93.53                67
 02/08/2018   02:30:58   (  69.27, 139.72) 02/08/2018   02:32:05  (  69.17, 141.77)   81.54                67
 02/08/2018   03:21:24   ( -68.32, -51.68) 02/08/2018   03:21:49  ( -68.30, -51.68)    1.36                25
 02/08/2018   04:12:08   (  68.20, 115.78) 02/08/2018   04:11:16  (  68.18, 115.82)    2.65                52
 02/10/2018   18:47:39   (  68.51,-103.49) 02/10/2018   18:48:51  (  68.45,-103.28)   11.22                72
 02/10/2018   19:38:18   ( -68.26,  64.16) 02/10/2018   19:38:23  ( -68.24,  64.11)    2.50                 5
 02/10/2018   20:29:02   (  68.14,-128.38) 02/10/2018   20:27:50  (  68.12,-128.39)    2.26                72