Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 4 26.  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)
 04/26/2018   11:54:53   (  68.28,  -0.13) 04/26/2018   11:55:31  (  68.26,  -0.13)    2.67                38
 04/26/2018   12:45:34   ( -68.15, 167.36) 04/26/2018   12:45:01  ( -68.15, 167.37)    0.59                33
 04/29/2018   03:21:16   ( -69.10, -52.75) 04/29/2018   03:22:24  ( -69.01, -50.99)   71.07                68
 04/29/2018   04:11:46   (  68.23, 115.71) 04/29/2018   04:12:03  (  68.23, 115.70)    0.42                17
 04/29/2018   05:02:27   ( -68.09, -76.79) 04/29/2018   05:01:34  ( -68.07, -76.86)    3.60                53
 05/01/2018   19:37:56   ( -68.36,  64.02) 05/01/2018   19:39:07  ( -68.37,  64.09)    3.18                71
 05/01/2018   20:28:39   (  68.18,-128.45) 05/01/2018   20:28:35  (  68.20,-128.47)    1.97                 4
 05/01/2018   21:19:19   ( -67.99,  39.11) 05/01/2018   21:18:06  ( -68.04,  38.98)    8.32                73
 05/04/2018   11:54:49   ( -68.31, 179.86) 05/04/2018   11:55:40  ( -68.28, 179.85)    2.61                51
 05/04/2018   12:45:33   (  68.19, -12.69) 05/04/2018   12:45:07  (  68.17, -12.64)    3.27                26
 05/04/2018   13:35:59   ( -67.24, 155.80) 05/04/2018   13:34:51  ( -67.28, 153.99)   78.06                68
 05/07/2018   03:21:18   (  69.37, 126.87) 05/07/2018   03:22:24  (  69.29, 129.36)   97.80                66
 05/07/2018   04:11:41   ( -68.26, -64.30) 05/07/2018   04:12:11  ( -68.25, -64.32)    1.23                30
 05/07/2018   05:02:25   (  68.15, 103.15) 05/07/2018   05:01:38  (  68.13, 103.19)    2.30                47
 05/09/2018   19:37:58   (  68.63,-116.34) 05/09/2018   19:39:09  (  68.53,-115.74)   26.56                71
 05/09/2018   20:28:34   ( -68.21,  51.53) 05/09/2018   20:28:43  ( -68.21,  51.50)    1.22                 9
 05/09/2018   21:19:18   (  68.10,-141.02) 05/09/2018   21:18:10  (  68.09,-140.99)    1.67                68