Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 6.  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)
 12/09/2018   03:21:00   ( -68.30, -51.69) 12/09/2018   03:21:41  ( -68.32, -51.64)    3.15                41
 12/09/2018   04:11:44   (  68.17, 115.78) 12/09/2018   04:11:09  (  68.17, 115.83)    1.74                35
 12/11/2018   18:47:25   (  69.05,-104.24) 12/11/2018   18:48:33  (  68.94,-102.63)   65.38                68
 12/11/2018   19:37:54   ( -68.27,  64.12) 12/11/2018   19:38:13  ( -68.26,  64.17)    2.51                19
 12/11/2018   20:28:37   (  68.09,-128.34) 12/11/2018   20:27:41  (  68.11,-128.37)    2.08                56
 12/14/2018   11:04:06   (  68.34,  12.50) 12/14/2018   11:05:17  (  68.32,  12.47)    2.10                71
 12/14/2018   11:54:47   ( -68.20, 179.99) 12/14/2018   11:54:47  ( -68.21, 179.97)    1.36                 0
 12/14/2018   12:45:29   (  67.97, -12.41) 12/14/2018   12:44:16  (  68.00, -12.64)   10.08                73
 12/17/2018   03:21:00   (  68.32, 128.30) 12/17/2018   03:21:52  (  68.32, 128.32)    1.18                52
 12/17/2018   04:11:40   ( -68.18, -64.20) 12/17/2018   04:11:22  ( -68.15, -64.24)    3.39                18
 12/17/2018   05:02:10   (  67.30, 104.18) 12/17/2018   05:01:02  (  67.32, 102.46)   74.04                68
 12/19/2018   19:37:52   (  68.25,-115.84) 12/19/2018   19:38:29  (  68.26,-115.90)    2.72                37
 12/19/2018   20:28:34   ( -68.16,  51.60) 12/19/2018   20:27:59  ( -68.15,  51.61)    0.73                35