Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 12 19.  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)
 12/19/2018   19:38:00   (  68.22,-115.83) 12/19/2018   19:38:13  (  68.22,-115.88)    2.04                13
 12/19/2018   20:28:42   ( -68.14,  51.59) 12/19/2018   20:27:43  ( -68.12,  51.63)    3.00                59
 12/22/2018   11:04:13   ( -68.32,-167.51) 12/22/2018   11:05:16  ( -68.31,-167.55)    2.53                63
 12/22/2018   11:54:57   (  68.20,  -0.04) 12/22/2018   11:54:43  (  68.19,  -0.04)    0.20                14
 12/22/2018   12:45:31   ( -67.68, 167.92) 12/22/2018   12:44:19  ( -67.75, 167.08)   36.32                72
 12/25/2018   03:21:10   ( -68.30, -51.71) 12/25/2018   03:21:46  ( -68.28, -51.70)    2.39                36
 12/25/2018   04:11:54   (  68.17, 115.76) 12/25/2018   04:11:13  (  68.16, 115.80)    2.39                41
 12/27/2018   18:47:30   (  68.69,-103.78) 12/27/2018   18:48:41  (  68.57,-103.10)   30.33                71
 12/27/2018   19:38:05   ( -68.22,  64.15) 12/27/2018   19:38:15  ( -68.25,  64.14)    2.89                10
 12/27/2018   20:28:49   (  68.10,-128.38) 12/27/2018   20:27:42  (  68.13,-128.36)    3.20                67
 12/30/2018   11:04:20   (  68.30,  12.51) 12/30/2018   11:05:15  (  68.31,  12.46)    2.57                55
 12/30/2018   11:55:02   ( -68.20, 179.95) 12/30/2018   11:54:45  ( -68.21, 179.98)    2.04                17
 12/30/2018   12:45:33   (  67.38, -11.73) 12/30/2018   12:44:24  (  67.42, -13.29)   66.72                69
 01/02/2019   03:21:17   (  68.28, 128.30) 01/02/2019   03:21:45  (  68.27, 128.30)    0.53                28
 01/02/2019   04:11:58   ( -68.13, -64.19) 01/02/2019   04:11:16  ( -68.12, -64.25)    2.39                42