Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 1 30.  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)
 01/31/2018   02:30:54   ( -69.10, -40.03) 01/31/2018   02:32:03  ( -68.98, -38.46)   64.10                69
 01/31/2018   03:21:25   (  68.29, 128.37) 01/31/2018   03:21:40  (  68.31, 128.36)    2.32                15
 01/31/2018   04:12:06   ( -68.15, -64.14) 01/31/2018   04:11:11  ( -68.15, -64.20)    2.48                55
 02/02/2018   18:47:36   ( -68.40,  76.68) 02/02/2018   18:48:44  ( -68.39,  76.69)    1.28                68
 02/02/2018   19:38:20   (  68.28,-115.86) 02/02/2018   19:38:11  (  68.27,-115.81)    2.40                 9
 02/02/2018   20:28:57   ( -67.92,  51.91) 02/02/2018   20:27:44  ( -68.01,  51.51)   18.95                73
 02/05/2018   11:04:30   ( -68.34,-167.48) 02/05/2018   11:05:16  ( -68.34,-167.50)    0.80                46
 02/05/2018   11:55:14   (  68.22,  -0.02) 02/05/2018   11:54:43  (  68.22,   0.00)    0.95                31
 02/05/2018   12:45:37   ( -67.11, 168.65) 02/05/2018   12:44:30  ( -67.18, 166.44)   95.67                67
 02/08/2018   02:30:58   (  69.23, 139.77) 02/08/2018   02:32:05  (  69.14, 141.74)   78.31                67
 02/08/2018   03:21:25   ( -68.34, -51.71) 02/08/2018   03:21:48  ( -68.33, -51.65)    2.60                23
 02/08/2018   04:12:08   (  68.17, 115.82) 02/08/2018   04:11:16  (  68.15, 115.78)    2.57                52
 02/10/2018   18:47:38   (  68.48,-103.44) 02/10/2018   18:48:49  (  68.43,-103.29)    8.16                71
 02/10/2018   19:38:18   ( -68.28,  64.14) 02/10/2018   19:38:20  ( -68.29,  64.17)    1.76                 2
 02/10/2018   20:29:01   (  68.11,-128.34) 02/10/2018   20:27:48  (  68.11,-128.40)    2.40                73