Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2017 12 17.  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)
 12/19/2017   07:46:20   ( -68.42,-117.95) 12/19/2017   07:47:25  ( -68.40,-117.97)    2.60                65
 12/19/2017   08:36:59   (  68.28,  49.56) 12/19/2017   08:36:52  (  68.29,  49.55)    1.25                 7
 12/19/2017   09:27:36   ( -68.05,-142.81) 12/19/2017   09:26:24  ( -68.08,-143.08)   11.48                72
 12/22/2017   02:31:02   (  68.63, 140.62) 12/22/2017   02:32:14  (  68.56, 141.00)   17.75                72
 12/22/2017   03:21:38   ( -68.33, -51.67) 12/22/2017   03:21:46  ( -68.34, -51.62)    2.21                 8
 12/22/2017   04:12:17   (  68.20, 115.83) 12/22/2017   04:11:14  (  68.18, 115.83)    2.17                63
 12/24/2017   21:15:54   ( -69.31,  38.53) 12/24/2017   21:17:01  ( -69.19,  40.57)   81.54                67
 12/24/2017   22:06:18   (  68.38,-152.89) 12/24/2017   22:06:41  (  68.36,-152.83)    3.43                23
 12/24/2017   22:56:57   ( -68.24,  14.62) 12/24/2017   22:56:12  ( -68.21,  14.62)    2.94                45
 12/27/2017   16:50:57   ( -68.37, 105.97) 12/27/2017   16:51:42  ( -68.38, 105.94)    1.97                45
 12/27/2017   17:41:36   (  68.24, -86.54) 12/27/2017   17:41:09  (  68.27, -86.55)    2.85                27
 12/27/2017   18:32:01   ( -67.34,  81.89) 12/27/2017   18:30:53  ( -67.40,  80.08)   77.95                68
 12/30/2017   11:35:37   (  68.43,   4.73) 12/30/2017   11:36:42  (  68.41,   4.73)    1.92                65
 12/30/2017   12:26:17   ( -68.33, 172.19) 12/30/2017   12:26:12  ( -68.32, 172.25)    2.79                 5
 12/30/2017   13:16:54   (  68.10, -20.19) 12/30/2017   13:15:41  (  68.10, -20.37)    7.22                73