Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 2 16.  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)
 02/16/2018   03:21:24   (  68.30, 128.33) 02/16/2018   03:21:41  (  68.27, 128.31)    2.66                17
 02/16/2018   04:12:05   ( -68.16, -64.18) 02/16/2018   04:11:11  ( -68.17, -64.18)    0.88                54
 02/18/2018   18:47:34   ( -68.38,  76.69) 02/18/2018   18:48:43  ( -68.38,  76.68)    0.74                69
 02/18/2018   19:38:18   (  68.25,-115.84) 02/18/2018   19:38:10  (  68.26,-115.82)    1.81                 8
 02/18/2018   20:28:56   ( -67.95,  51.85) 02/18/2018   20:27:43  ( -68.00,  51.50)   15.46                73
 02/21/2018   11:04:28   ( -68.33,-167.48) 02/21/2018   11:05:13  ( -68.31,-167.53)    2.82                45
 02/21/2018   11:55:12   (  68.20,  -0.01) 02/21/2018   11:54:40  (  68.19,  -0.03)    1.83                32
 02/24/2018   02:30:52   (  69.06, 139.99) 02/24/2018   02:32:01  (  68.93, 141.49)   61.39                69
 02/24/2018   03:21:21   ( -68.28, -51.65) 02/24/2018   03:21:41  ( -68.28, -51.68)    1.49                20
 02/24/2018   04:12:05   (  68.15, 115.81) 02/24/2018   04:11:08  (  68.15, 115.81)    0.20                57
 02/26/2018   18:47:34   (  68.37,-103.32) 02/26/2018   18:48:39  (  68.39,-103.30)    2.49                65
 02/26/2018   19:38:15   ( -68.23,  64.18) 02/26/2018   19:38:10  ( -68.24,  64.15)    2.13                 5
 02/26/2018   20:28:53   (  67.78,-127.95) 02/26/2018   20:27:42  (  67.83,-128.68)   31.06                71
 03/01/2018   11:04:28   (  68.32,  12.51) 03/01/2018   11:05:08  (  68.34,  12.52)    2.11                40
 03/01/2018   11:55:09   ( -68.18,-179.99) 03/01/2018   11:54:39  ( -68.19, 179.98)    2.38                30