Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 7 18.  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)
 07/18/2018   04:11:38   (  68.31, 115.61) 07/18/2018   04:12:32  (  68.29, 115.64)    3.08                54
 07/18/2018   05:02:19   ( -68.19, -76.91) 07/18/2018   05:02:02  ( -68.18, -76.86)    2.37                17
 07/18/2018   05:52:49   (  67.34,  91.43) 07/18/2018   05:51:40  (  67.40,  89.89)   66.28                69
 07/20/2018   20:28:32   (  68.25,-128.54) 07/20/2018   20:29:00  (  68.27,-128.51)    2.88                28
 07/20/2018   21:19:13   ( -68.12,  38.94) 07/20/2018   21:18:31  ( -68.11,  38.94)    0.80                42
 07/23/2018   11:54:48   ( -68.58, 179.48) 07/23/2018   11:56:00  ( -68.47, 179.97)   23.54                72
 07/23/2018   12:45:27   (  68.18, -12.69) 07/23/2018   12:45:30  (  68.19, -12.73)    1.34                 3
 07/23/2018   13:36:09   ( -68.11, 154.72) 07/23/2018   13:35:00  ( -68.09, 154.79)    3.44                69
 07/26/2018   04:11:39   ( -68.30, -64.39) 07/26/2018   04:12:31  ( -68.33, -64.32)    3.54                52
 07/26/2018   05:02:23   (  68.18, 103.08) 07/26/2018   05:01:59  (  68.15, 103.11)    3.23                24
 07/26/2018   05:52:50   ( -67.29, -88.51) 07/26/2018   05:51:41  ( -67.38, -90.14)   70.51                69
 07/28/2018   19:38:09   (  69.24,-117.20) 07/28/2018   19:39:16  (  69.16,-115.04)   85.81                67
 07/28/2018   20:28:34   ( -68.24,  51.46) 07/28/2018   20:29:01  ( -68.22,  51.44)    2.09                27
 07/28/2018   21:19:18   (  68.12,-141.08) 07/28/2018   21:18:28  (  68.10,-141.06)    1.68                50
 07/31/2018   11:54:47   (  68.32,  -0.20) 07/31/2018   11:55:58  (  68.32,  -0.20)    0.21                71
 07/31/2018   12:45:28   ( -68.18, 167.30) 07/31/2018   12:45:29  ( -68.17, 167.25)    2.46                 1
 07/31/2018   13:36:10   (  67.95, -25.10) 07/31/2018   13:34:57  (  67.99, -25.31)    9.87                73