Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 16.  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)
 12/17/2018   03:21:05   (  68.31, 128.29) 12/17/2018   03:21:43  (  68.30, 128.32)    1.62                38
 12/17/2018   04:11:46   ( -68.17, -64.22) 12/17/2018   04:11:13  ( -68.19, -64.18)    2.13                33
 12/19/2018   18:47:27   ( -68.95,  75.90) 12/19/2018   18:48:37  ( -68.81,  77.18)   53.64                70
 12/19/2018   19:38:00   (  68.23,-115.85) 12/19/2018   19:38:12  (  68.26,-115.84)    3.60                12
 12/19/2018   20:28:41   ( -68.09,  51.65) 12/19/2018   20:27:43  ( -68.09,  51.59)    2.43                58
 12/22/2018   11:04:13   ( -68.33,-167.52) 12/22/2018   11:05:15  ( -68.32,-167.54)    1.17                62
 12/22/2018   11:54:57   (  68.21,  -0.05) 12/22/2018   11:54:42  (  68.21,  -0.02)    1.40                15
 12/22/2018   12:45:30   ( -67.64, 167.98) 12/22/2018   12:44:19  ( -67.72, 167.03)   41.07                71
 12/25/2018   03:21:09   ( -68.26, -51.66) 12/25/2018   03:21:45  ( -68.27, -51.72)    3.18                36
 12/25/2018   04:11:53   (  68.14, 115.81) 12/25/2018   04:11:12  (  68.16, 115.79)    2.68                41
 12/27/2018   18:47:30   (  68.65,-103.73) 12/27/2018   18:48:41  (  68.54,-103.15)   26.79                71
 12/27/2018   19:38:06   ( -68.24,  64.14) 12/27/2018   19:38:15  ( -68.21,  64.09)    3.28                 9
 12/27/2018   20:28:50   (  68.12,-128.41) 12/27/2018   20:27:42  (  68.10,-128.40)    2.69                68