Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 2 10.  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)
 02/10/2018   18:47:36   (  68.35,-103.28) 02/10/2018   18:48:42  (  68.36,-103.34)    2.42                66
 02/10/2018   19:38:18   ( -68.27,  64.14) 02/10/2018   19:38:12  ( -68.26,  64.17)    1.91                 6
 02/10/2018   20:28:56   (  67.82,-127.98) 02/10/2018   20:27:44  (  67.86,-128.65)   28.18                72
 02/13/2018   11:04:31   (  68.36,  12.48) 02/13/2018   11:05:11  (  68.35,  12.53)    2.03                40
 02/13/2018   11:55:12   ( -68.22, 179.98) 02/13/2018   11:54:42  ( -68.19, 179.97)    2.80                30
 02/16/2018   02:30:53   ( -69.12, -40.08) 02/16/2018   02:32:02  ( -69.00, -38.43)   67.07                69
 02/16/2018   03:21:24   (  68.31, 128.32) 02/16/2018   03:21:39  (  68.32, 128.38)    3.16                15
 02/16/2018   04:12:05   ( -68.17, -64.19) 02/16/2018   04:11:10  ( -68.17, -64.17)    0.72                55
 02/18/2018   18:47:34   ( -68.38,  76.69) 02/18/2018   18:48:42  ( -68.35,  76.65)    3.22                68
 02/18/2018   19:38:18   (  68.26,-115.85) 02/18/2018   19:38:09  (  68.23,-115.86)    3.30                 9
 02/18/2018   20:28:55   ( -67.90,  51.92) 02/18/2018   20:27:42  ( -67.96,  51.47)   20.12                73
 02/21/2018   11:04:28   ( -68.32,-167.48) 02/21/2018   11:05:10  ( -68.35,-167.47)    3.41                42
 02/21/2018   11:55:12   (  68.21,  -0.02) 02/21/2018   11:54:37  (  68.23,   0.03)    3.04                35
 02/24/2018   02:30:51   (  68.96, 140.13) 02/24/2018   02:32:01  (  68.82, 141.36)   51.42                70
 02/24/2018   03:21:22   ( -68.27, -51.65) 02/24/2018   03:21:39  ( -68.29, -51.66)    1.82                17
 02/24/2018   04:12:06   (  68.16, 115.81) 02/24/2018   04:11:06  (  68.16, 115.83)    0.75                60