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   13:01:41   (  68.41, -16.77) 12/16/2017   13:02:31  (  68.38, -16.78)    2.98                50
 12/16/2017   13:52:20   ( -68.30, 150.70) 12/16/2017   13:52:01  ( -68.27, 150.72)    3.15                19
 12/16/2017   14:42:48   (  67.54, -41.03) 12/16/2017   14:41:38  (  67.60, -42.42)   59.26                70
 12/19/2017   07:46:19   ( -68.43,-117.96) 12/19/2017   07:47:18  ( -68.42,-117.94)    1.83                59
 12/19/2017   08:36:58   (  68.28,  49.57) 12/19/2017   08:36:45  (  68.30,  49.57)    2.81                13
 12/19/2017   09:27:32   ( -67.89,-142.62) 12/19/2017   09:26:20  ( -67.92,-143.25)   26.63                72
 12/22/2017   02:30:58   (  68.42, 140.90) 12/22/2017   02:32:03  (  68.44, 140.90)    2.53                65
 12/22/2017   03:21:37   ( -68.29, -51.61) 12/22/2017   03:21:34  ( -68.28, -51.66)    2.37                 3
 12/22/2017   04:12:15   (  68.09, 115.97) 12/22/2017   04:11:02  (  68.11, 115.78)    7.89                73
 12/24/2017   21:15:39   ( -68.53,  39.59) 12/24/2017   21:16:50  ( -68.53,  39.81)    8.95                71
 12/24/2017   22:06:16   (  68.29,-152.77) 12/24/2017   22:06:19  (  68.30,-152.82)    2.63                 3
 12/24/2017   22:56:56   ( -68.21,  14.66) 12/24/2017   22:55:49  ( -68.20,  14.69)    1.92                67
 12/27/2017   16:00:21   (  68.75, -61.86) 12/27/2017   16:01:32  (  68.65, -61.22)   27.90                71
 12/27/2017   16:50:55   ( -68.34, 106.00) 12/27/2017   16:51:06  ( -68.33, 106.01)    1.93                11
 12/27/2017   17:41:34   (  68.21, -86.50) 12/27/2017   17:40:33  (  68.21, -86.48)    0.67                61