Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 3 21.  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)
 03/22/2018   18:47:39   ( -69.00,  75.83) 03/22/2018   18:48:48  ( -68.89,  77.27)   59.33                69
 03/22/2018   19:38:11   (  68.23,-115.84) 03/22/2018   19:38:25  (  68.22,-115.90)    2.66                14
 03/22/2018   20:28:52   ( -68.10,  51.64) 03/22/2018   20:27:55  ( -68.12,  51.61)    2.21                57
 03/25/2018   11:04:20   ( -68.33,-167.51) 03/25/2018   11:05:30  ( -68.32,-167.56)    2.70                70
 03/25/2018   11:55:04   (  68.20,  -0.04) 03/25/2018   11:54:57  (  68.20,  -0.05)    0.50                 7
 03/25/2018   12:45:42   ( -67.91, 167.65) 03/25/2018   12:44:29  ( -67.99, 167.33)   16.10                73
 03/28/2018   03:21:14   ( -68.31, -51.71) 03/28/2018   03:22:03  ( -68.30, -51.71)    0.31                49
 03/28/2018   04:11:58   (  68.18, 115.76) 03/28/2018   04:11:30  (  68.19, 115.80)    1.75                28
 03/28/2018   05:02:23   ( -67.18, -75.70) 03/28/2018   05:01:15  ( -67.25, -77.64)   83.84                68
 03/30/2018   18:47:44   (  69.33,-104.63) 03/30/2018   18:48:51  (  69.22,-102.33)   91.41                67
 03/30/2018   19:38:08   ( -68.28,  64.10) 03/30/2018   19:38:36  ( -68.29,  64.14)    2.12                28
 03/30/2018   20:28:51   (  68.10,-128.37) 03/30/2018   20:28:04  (  68.12,-128.42)    3.07                47
 04/02/2018   11:04:25   (  68.61,  12.12) 04/02/2018   11:05:36  (  68.54,  12.67)   23.51                71
 04/02/2018   11:55:02   ( -68.25, 179.91) 04/02/2018   11:55:10  ( -68.22, 179.92)    3.08                 8
 04/02/2018   12:45:45   (  68.08, -12.57) 04/02/2018   12:44:37  (  68.10, -12.58)    3.16                68