Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 25.  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   04:11:53   (  68.15, 115.79) 12/25/2018   04:11:12  (  68.17, 115.81)    2.52                41
 12/27/2018   18:47:30   (  68.66,-103.74) 12/27/2018   18:48:41  (  68.56,-103.11)   27.78                71
 12/27/2018   19:38:06   ( -68.25,  64.11) 12/27/2018   19:38:15  ( -68.23,  64.12)    2.42                 9
 12/27/2018   20:28:50   (  68.13,-128.42) 12/27/2018   20:27:42  (  68.12,-128.36)    2.32                68
 12/30/2018   11:04:21   (  68.32,  12.47) 12/30/2018   11:05:14  (  68.35,  12.51)    3.15                53
 12/30/2018   11:55:02   ( -68.18, 179.98) 12/30/2018   11:54:45  ( -68.19, 179.95)    1.41                17
 12/30/2018   12:45:33   (  67.35, -11.70) 12/30/2018   12:44:24  (  67.40, -13.31)   69.07                69
 01/02/2019   03:21:17   (  68.31, 128.26) 01/02/2019   03:21:43  (  68.29, 128.32)    3.01                26
 01/02/2019   04:11:58   ( -68.16, -64.23) 01/02/2019   04:11:14  ( -68.13, -64.23)    2.74                44
 01/04/2019   18:47:32   ( -68.51,  76.45) 01/04/2019   18:48:44  ( -68.46,  76.77)   14.12                72
 01/04/2019   19:38:13   (  68.24,-115.89) 01/04/2019   19:38:13  (  68.24,-115.86)    1.03                 0
 01/04/2019   20:28:54   ( -68.09,  51.62) 01/04/2019   20:27:44  ( -68.08,  51.58)    1.95                70
 01/07/2019   11:04:26   ( -68.34,-167.56) 01/07/2019   11:05:15  ( -68.35,-167.49)    2.88                49
 01/07/2019   11:55:09   (  68.17,  -0.04) 01/07/2019   11:54:43  (  68.17,  -0.06)    0.81                26
 01/07/2019   12:45:35   ( -67.21, 168.46) 01/07/2019   12:44:27  ( -67.29, 166.57)   81.71                68