Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 3 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)
 03/25/2018   11:04:20   ( -68.32,-167.50) 03/25/2018   11:05:30  ( -68.31,-167.56)    2.94                70
 03/25/2018   11:55:04   (  68.19,  -0.03) 03/25/2018   11:54:57  (  68.20,  -0.05)    1.32                 7
 03/25/2018   12:45:42   ( -67.90, 167.66) 03/25/2018   12:44:29  ( -67.99, 167.33)   16.78                73
 03/28/2018   03:21:14   ( -68.30, -51.70) 03/28/2018   03:22:03  ( -68.28, -51.74)    2.68                49
 03/28/2018   04:11:58   (  68.17, 115.77) 03/28/2018   04:11:30  (  68.17, 115.77)    0.50                28
 03/28/2018   05:02:23   ( -67.17, -75.69) 03/28/2018   05:01:15  ( -67.23, -77.66)   85.12                68
 03/30/2018   18:47:44   (  69.32,-104.62) 03/30/2018   18:48:50  (  69.23,-102.32)   91.28                66
 03/30/2018   19:38:08   ( -68.27,  64.11) 03/30/2018   19:38:35  ( -68.29,  64.15)    3.01                27
 03/30/2018   20:28:52   (  68.15,-128.42) 03/30/2018   20:28:03  (  68.12,-128.41)    2.61                49
 04/02/2018   11:04:23   (  68.55,  12.20) 04/02/2018   11:05:35  (  68.46,  12.58)   18.27                72
 04/02/2018   11:55:01   ( -68.24, 179.91) 04/02/2018   11:55:07  ( -68.25, 179.96)    1.70                 6
 04/02/2018   12:45:44   (  68.07, -12.56) 04/02/2018   12:44:35  (  68.07, -12.60)    1.99                69
 04/05/2018   03:21:13   (  68.31, 128.28) 04/05/2018   03:22:10  (  68.29, 128.24)    2.96                57
 04/05/2018   04:11:54   ( -68.16, -64.21) 04/05/2018   04:11:40  ( -68.19, -64.24)    3.05                14
 04/05/2018   05:02:27   (  67.45, 103.97) 04/05/2018   05:01:17  (  67.51, 102.62)   57.95                70