Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2017 12 6.  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)
 12/08/2017   01:29:12   ( -68.49, -23.75) 12/08/2017   01:30:24  ( -68.47, -23.65)    4.66                72
 12/08/2017   02:19:50   (  68.29, 143.82) 12/08/2017   02:19:52  (  68.30, 143.80)    1.88                 2
 12/08/2017   03:10:27   ( -68.20, -48.72) 12/08/2017   03:09:22  ( -68.19, -48.70)    1.24                65
 12/10/2017   21:53:22   (  68.40,-149.68) 12/10/2017   21:54:04  (  68.42,-149.62)    3.50                42
 12/10/2017   22:43:58   ( -68.24,  17.85) 12/10/2017   22:43:35  ( -68.25,  17.81)    1.84                23
 12/10/2017   23:34:23   (  67.35,-173.72) 12/10/2017   23:33:15  (  67.41,-175.51)   76.70                68
 12/13/2017   17:27:00   (  68.88, -83.69) 12/13/2017   17:28:10  (  68.81, -82.69)   40.48                70
 12/13/2017   18:17:29   ( -68.34,  84.36) 12/13/2017   18:17:46  ( -68.37,  84.39)    3.26                17
 12/13/2017   19:08:08   (  68.21,-108.15) 12/13/2017   19:07:14  (  68.20,-108.16)    1.97                54
 12/16/2017   13:51:01   ( -68.44, 150.87) 12/16/2017   13:51:59  ( -68.42, 150.90)    2.28                58
 12/16/2017   14:41:40   (  68.32, -41.65) 12/16/2017   14:41:26  (  68.31, -41.59)    2.93                14
 12/16/2017   15:32:12   ( -67.94, 126.17) 12/16/2017   15:31:00  ( -67.98, 125.66)   21.75                72
 12/19/2017   09:24:50   ( -69.44,-143.87) 12/19/2017   09:25:56  ( -69.36,-141.46)   94.60                66
 12/19/2017   10:15:11   (  68.36,  24.92) 12/19/2017   10:15:39  (  68.36,  24.92)    0.94                28
 12/19/2017   11:05:48   ( -68.25,-167.59) 12/19/2017   11:05:09  ( -68.25,-167.57)    1.03                39