Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 4 27.  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)
 04/29/2018   03:21:16   ( -69.10, -52.74) 04/29/2018   03:22:24  ( -69.02, -50.96)   71.20                68
 04/29/2018   04:11:46   (  68.22, 115.72) 04/29/2018   04:12:03  (  68.25, 115.72)    2.36                17
 04/29/2018   05:02:27   ( -68.09, -76.78) 04/29/2018   05:01:34  ( -68.09, -76.84)    2.12                53
 05/01/2018   19:37:56   ( -68.35,  64.03) 05/01/2018   19:39:08  ( -68.33,  64.05)    1.80                72
 05/01/2018   20:28:39   (  68.18,-128.44) 05/01/2018   20:28:36  (  68.17,-128.51)    2.86                 3
 05/01/2018   21:19:20   ( -68.03,  39.06) 05/01/2018   21:18:06  ( -68.06,  39.01)    3.92                74
 05/04/2018   11:54:48   ( -68.30, 179.87) 05/04/2018   11:55:39  ( -68.31, 179.89)    1.85                51
 05/04/2018   12:45:31   (  68.13, -12.61) 05/04/2018   12:45:07  (  68.14, -12.67)    2.89                24
 05/04/2018   13:35:59   ( -67.28, 155.74) 05/04/2018   13:34:50  ( -67.31, 154.02)   73.96                69
 05/07/2018   04:11:41   ( -68.25, -64.29) 05/07/2018   04:12:12  ( -68.23, -64.34)    2.40                31
 05/07/2018   05:02:25   (  68.14, 103.16) 05/07/2018   05:01:39  (  68.12, 103.17)    2.21                46
 05/09/2018   19:37:59   (  68.67,-116.39) 05/09/2018   19:39:09  (  68.58,-115.67)   30.78                70
 05/09/2018   20:28:34   ( -68.20,  51.54) 05/09/2018   20:28:44  ( -68.21,  51.50)    2.00                10
 05/09/2018   21:19:18   (  68.09,-141.01) 05/09/2018   21:18:11  (  68.09,-140.99)    0.78                67