Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 15.  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   03:21:04   (  68.30, 128.30) 12/17/2018   03:21:42  (  68.30, 128.33)    1.05                38
 12/17/2018   04:11:45   ( -68.16, -64.21) 12/17/2018   04:11:12  ( -68.19, -64.18)    3.13                33
 12/19/2018   18:47:27   ( -68.93,  75.91) 12/19/2018   18:48:37  ( -68.80,  77.17)   52.61                70
 12/19/2018   19:38:00   (  68.22,-115.83) 12/19/2018   19:38:12  (  68.24,-115.86)    2.97                12
 12/19/2018   20:28:42   ( -68.13,  51.59) 12/19/2018   20:27:42  ( -68.14,  51.64)    1.94                60
 12/22/2018   11:04:13   ( -68.32,-167.50) 12/22/2018   11:05:14  ( -68.34,-167.51)    2.05                61
 12/22/2018   11:54:57   (  68.20,  -0.04) 12/22/2018   11:54:42  (  68.17,  -0.07)    3.39                15
 12/22/2018   12:45:30   ( -67.63, 167.99) 12/22/2018   12:44:19  ( -67.67, 166.99)   42.88                71
 12/25/2018   03:21:10   ( -68.30, -51.71) 12/25/2018   03:21:43  ( -68.31, -51.67)    2.07                33
 12/25/2018   04:11:53   (  68.12, 115.82) 12/25/2018   04:11:11  (  68.14, 115.77)    2.35                42
 12/27/2018   18:47:27   (  68.54,-103.57) 12/27/2018   18:48:39  (  68.47,-103.22)   15.98                72
 12/27/2018   19:38:05   ( -68.22,  64.15) 12/27/2018   19:38:12  ( -68.21,  64.09)    3.18                 7
 12/27/2018   20:28:49   (  68.11,-128.39) 12/27/2018   20:27:39  (  68.08,-128.40)    2.69                70