Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2017 12 14.  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)
 12/16/2017   13:51:08   ( -68.39, 150.89) 12/16/2017   13:51:58  ( -68.41, 150.89)    2.07                50
 12/16/2017   14:41:47   (  68.26, -41.61) 12/16/2017   14:41:25  (  68.29, -41.61)    3.47                22
 12/16/2017   15:32:14   ( -67.61, 126.53) 12/16/2017   15:31:04  ( -67.68, 125.32)   51.65                70
 12/19/2017   09:24:53   ( -68.94,-143.23) 12/19/2017   09:26:03  ( -68.85,-142.11)   45.62                70
 12/19/2017   10:15:23   (  68.33,  24.91) 12/19/2017   10:15:37  (  68.34,  24.91)    1.57                14
 12/19/2017   11:06:00   ( -68.22,-167.61) 12/19/2017   11:05:07  ( -68.24,-167.58)    3.14                53
 12/22/2017   05:48:58   (  68.40,  91.42) 12/22/2017   05:49:48  (  68.38,  91.40)    2.46                50
 12/22/2017   06:39:35   ( -68.29,-101.09) 12/22/2017   06:39:18  ( -68.28,-101.08)    0.36                17
 12/22/2017   07:30:04   (  67.63,  67.06) 12/22/2017   07:28:54  (  67.66,  65.83)   52.19                70
 12/25/2017   01:22:42   (  68.91, 157.37) 12/25/2017   01:23:52  (  68.85, 158.43)   43.23                70
 12/25/2017   02:13:11   ( -68.35, -34.56) 12/25/2017   02:13:29  ( -68.36, -34.54)    1.37                18
 12/25/2017   03:03:50   (  68.24, 132.91) 12/25/2017   03:02:56  (  68.24, 132.96)    2.10                54
 12/27/2017   21:46:47   ( -68.42,  31.96) 12/27/2017   21:47:40  ( -68.42,  31.98)    1.00                53
 12/27/2017   22:37:26   (  68.32,-160.57) 12/27/2017   22:37:07  (  68.30,-160.52)    3.13                19
 12/27/2017   23:27:55   ( -67.75,   7.47) 12/27/2017   23:26:44  ( -67.81,   6.54)   39.40                71