Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 1 4.  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)
 01/04/2018   11:04:33   ( -68.37,-167.46) 01/04/2018   11:05:13  ( -68.35,-167.47)    2.25                40
 01/04/2018   11:55:17   (  68.25,   0.00) 01/04/2018   11:54:40  (  68.24,   0.04)    2.17                37
 01/07/2018   02:30:54   (  69.02, 140.14) 01/07/2018   02:32:03  (  68.92, 141.48)   54.53                69
 01/07/2018   03:21:25   ( -68.33, -51.64) 01/07/2018   03:21:42  ( -68.31, -51.64)    2.40                17
 01/07/2018   04:12:09   (  68.22, 115.82) 01/07/2018   04:11:09  (  68.20, 115.87)    3.00                60
 01/09/2018   18:47:37   (  68.44,-103.33) 01/09/2018   18:48:41  (  68.42,-103.26)    3.48                64
 01/09/2018   19:38:18   ( -68.30,  64.18) 01/09/2018   19:38:12  ( -68.27,  64.18)    3.29                 6
 01/09/2018   20:28:55   (  67.80,-127.89) 01/09/2018   20:27:44  (  67.87,-128.64)   32.10                71
 01/12/2018   11:04:29   (  68.35,  12.56) 01/12/2018   11:05:11  (  68.37,  12.56)    1.75                42
 01/12/2018   11:55:11   ( -68.26,-179.99) 01/12/2018   11:54:41  ( -68.27,-179.93)    2.89                30
 01/15/2018   02:30:53   ( -69.22, -40.15) 01/15/2018   02:32:01  ( -69.15, -38.23)   76.03                68
 01/15/2018   03:21:22   (  68.32, 128.38) 01/15/2018   03:21:41  (  68.31, 128.36)    1.32                19
 01/15/2018   04:12:04   ( -68.22, -64.17) 01/15/2018   04:11:11  ( -68.21, -64.12)    2.34                53
 01/17/2018   18:47:31   ( -68.44,  76.69) 01/17/2018   18:48:42  ( -68.42,  76.73)    3.11                71
 01/17/2018   19:38:14   (  68.28,-115.80) 01/17/2018   19:38:09  (  68.30,-115.77)    2.11                 5
 01/17/2018   20:28:54   ( -68.07,  51.78) 01/17/2018   20:27:41  ( -68.09,  51.61)    7.17                73