Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 4 29.  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   ( -69.09, -52.74) 04/29/2018   03:22:24  ( -69.01, -50.97)   71.01                68
 04/29/2018   04:11:46   (  68.22, 115.73) 04/29/2018   04:12:03  (  68.24, 115.72)    2.13                17
 04/29/2018   05:02:27   ( -68.09, -76.78) 04/29/2018   05:01:34  ( -68.07, -76.84)    2.76                53
 05/01/2018   19:37:56   ( -68.35,  64.03) 05/01/2018   19:39:07  ( -68.36,  64.09)    3.09                71
 05/01/2018   20:28:39   (  68.17,-128.44) 05/01/2018   20:28:35  (  68.20,-128.46)    3.18                 4
 05/01/2018   21:19:19   ( -67.98,  39.12) 05/01/2018   21:18:07  ( -67.98,  38.92)    8.60                72
 05/04/2018   11:54:48   ( -68.30, 179.87) 05/04/2018   11:55:38  ( -68.32, 179.91)    2.75                50
 05/04/2018   12:45:32   (  68.18, -12.67) 05/04/2018   12:45:06  (  68.15, -12.65)    3.26                26
 05/04/2018   13:35:58   ( -67.23, 155.81) 05/04/2018   13:34:50  ( -67.26, 153.98)   78.87                68
 05/07/2018   03:21:18   (  69.36, 126.89) 05/07/2018   03:22:24  (  69.26, 129.32)   96.28                66
 05/07/2018   04:11:41   ( -68.25, -64.29) 05/07/2018   04:12:10  ( -68.26, -64.29)    1.72                29
 05/07/2018   05:02:25   (  68.13, 103.16) 05/07/2018   05:01:37  (  68.15, 103.22)    3.23                48
 05/09/2018   19:37:57   (  68.56,-116.25) 05/09/2018   19:39:09  (  68.47,-115.80)   21.15                72
 05/09/2018   20:28:34   ( -68.20,  51.54) 05/09/2018   20:28:42  ( -68.20,  51.51)    1.44                 8
 05/09/2018   21:19:18   (  68.09,-141.01) 05/09/2018   21:18:09  (  68.08,-140.98)    1.13                69
 05/12/2018   11:54:46   (  68.31,  -0.14) 05/12/2018   11:55:43  (  68.28,  -0.15)    2.69                57
 05/12/2018   12:45:28   ( -68.21, 167.31) 05/12/2018   12:45:13  ( -68.18, 167.36)    3.37                15
 05/12/2018   13:36:00   (  67.45, -24.45) 05/12/2018   13:34:50  (  67.50, -25.77)   56.80                70