Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 3 28.  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)
 03/28/2018   03:21:14   ( -68.30, -51.70) 03/28/2018   03:22:03  ( -68.29, -51.72)    0.88                49
 03/28/2018   04:11:58   (  68.16, 115.78) 03/28/2018   04:11:30  (  68.18, 115.80)    2.34                28
 03/28/2018   05:02:23   ( -67.17, -75.70) 03/28/2018   05:01:15  ( -67.24, -77.64)   84.23                68
 03/30/2018   18:47:44   (  69.32,-104.62) 03/30/2018   18:48:51  (  69.20,-102.35)   90.42                67
 03/30/2018   19:38:07   ( -68.27,  64.10) 03/30/2018   19:38:35  ( -68.27,  64.12)    1.10                28
 03/30/2018   20:28:51   (  68.14,-128.42) 03/30/2018   20:28:02  (  68.15,-128.37)    2.32                49
 04/02/2018   11:04:24   (  68.60,  12.13) 04/02/2018   11:05:35  (  68.50,  12.63)   23.35                71
 04/02/2018   11:55:01   ( -68.25, 179.91) 04/02/2018   11:55:08  ( -68.23, 179.94)    2.53                 7
 04/02/2018   12:45:44   (  68.07, -12.56) 04/02/2018   12:44:36  (  68.06, -12.61)    2.48                68
 04/05/2018   03:21:13   (  68.31, 128.28) 04/05/2018   03:22:11  (  68.29, 128.25)    2.50                58
 04/05/2018   04:11:54   ( -68.17, -64.22) 04/05/2018   04:11:41  ( -68.20, -64.24)    2.44                13
 04/05/2018   05:02:28   (  67.51, 103.90) 04/05/2018   05:01:18  (  67.52, 102.63)   54.17                70
 04/07/2018   19:38:07   (  68.29,-115.93) 04/07/2018   19:38:43  (  68.31,-115.87)    2.74                36
 04/07/2018   20:28:48   ( -68.15,  51.58) 04/07/2018   20:28:14  ( -68.15,  51.58)    0.46                34
 04/10/2018   11:04:29   ( -69.08,-168.52) 04/10/2018   11:05:37  ( -68.99,-166.80)   69.00                68
 04/10/2018   11:54:59   (  68.22,  -0.06) 04/10/2018   11:55:16  (  68.20,  -0.12)    3.22                17
 04/10/2018   12:45:41   ( -68.13, 167.38) 04/10/2018   12:44:46  ( -68.11, 167.40)    2.37                55