Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 4 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)
 04/21/2018   03:21:13   (  68.66, 127.84) 04/21/2018   03:22:24  (  68.54, 128.48)   28.83                71
 04/21/2018   04:11:48   ( -68.20, -64.24) 04/21/2018   04:11:58  ( -68.20, -64.30)    2.29                10
 04/21/2018   05:02:32   (  68.07, 103.22) 04/21/2018   05:01:25  (  68.10, 103.23)    3.52                67
 04/23/2018   19:38:00   (  68.28,-115.90) 04/23/2018   19:39:00  (  68.30,-115.94)    3.35                60
 04/23/2018   20:28:41   ( -68.19,  51.53) 04/23/2018   20:28:29  ( -68.19,  51.56)    1.03                12
 04/23/2018   21:19:15   (  67.53,-140.34) 04/23/2018   21:18:05  (  67.58,-141.50)   49.70                70
 04/26/2018   11:54:53   (  68.28,  -0.12) 04/26/2018   11:55:31  (  68.29,  -0.10)    1.28                38
 04/26/2018   12:45:34   ( -68.14, 167.38) 04/26/2018   12:45:02  ( -68.12, 167.34)    2.23                32
 04/29/2018   03:21:16   ( -69.09, -52.74) 04/29/2018   03:22:25  ( -68.98, -51.01)   69.99                69
 04/29/2018   04:11:46   (  68.23, 115.71) 04/29/2018   04:12:04  (  68.21, 115.68)    2.97                18
 04/29/2018   05:02:27   ( -68.08, -76.78) 04/29/2018   05:01:34  ( -68.10, -76.81)    2.37                53
 05/01/2018   19:37:56   ( -68.35,  64.03) 05/01/2018   19:39:08  ( -68.35,  64.07)    1.88                72
 05/01/2018   20:28:39   (  68.19,-128.45) 05/01/2018   20:28:36  (  68.18,-128.48)    1.12                 3
 05/01/2018   21:19:20   ( -68.03,  39.05) 05/01/2018   21:18:07  ( -68.02,  38.96)    3.90                73