Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 23.  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)
 12/25/2018   03:21:10   ( -68.30, -51.72) 12/25/2018   03:21:45  ( -68.31, -51.66)    2.70                35
 12/25/2018   04:11:53   (  68.12, 115.82) 12/25/2018   04:11:13  (  68.15, 115.79)    3.04                40
 12/27/2018   18:47:31   (  68.69,-103.78) 12/27/2018   18:48:42  (  68.56,-103.11)   30.67                71
 12/27/2018   19:38:06   ( -68.23,  64.15) 12/27/2018   19:38:16  ( -68.23,  64.12)    1.17                10
 12/27/2018   20:28:50   (  68.10,-128.39) 12/27/2018   20:27:43  (  68.12,-128.37)    1.92                67
 12/30/2018   11:04:20   (  68.30,  12.51) 12/30/2018   11:05:15  (  68.31,  12.46)    2.40                55
 12/30/2018   11:55:02   ( -68.20, 179.94) 12/30/2018   11:54:45  ( -68.21, 179.97)    1.22                17
 12/30/2018   12:45:33   (  67.38, -11.73) 12/30/2018   12:44:24  (  67.42, -13.29)   66.68                69
 01/02/2019   03:21:17   (  68.28, 128.30) 01/02/2019   03:21:45  (  68.28, 128.31)    0.93                28
 01/02/2019   04:11:58   ( -68.13, -64.19) 01/02/2019   04:11:16  ( -68.13, -64.24)    2.00                42
 01/04/2019   18:47:34   ( -68.59,  76.35) 01/04/2019   18:48:46  ( -68.49,  76.80)   20.87                72
 01/04/2019   19:38:13   (  68.21,-115.85) 01/04/2019   19:38:16  (  68.21,-115.90)    2.40                 3
 01/04/2019   20:28:55   ( -68.11,  51.60) 01/04/2019   20:27:46  ( -68.11,  51.61)    0.61                69