Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2018 9 20.  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)
 09/20/2018   03:21:26   ( -69.28, -53.09) 09/20/2018   03:22:33  ( -69.17, -50.89)   87.63                67
 09/20/2018   04:11:53   (  68.25, 115.60) 09/20/2018   04:12:15  (  68.23, 115.59)    2.38                22
 09/20/2018   05:02:34   ( -68.11, -76.90) 09/20/2018   05:01:45  ( -68.12, -76.91)    1.24                49
 09/22/2018   19:38:04   ( -68.34,  63.95) 09/22/2018   19:39:16  ( -68.33,  63.94)    1.92                72
 09/22/2018   20:28:48   (  68.23,-128.59) 09/22/2018   20:28:43  (  68.22,-128.55)    1.99                 5
 09/22/2018   21:19:27   ( -67.97,  39.05) 09/22/2018   21:18:15  ( -68.00,  38.82)    9.63                72
 09/25/2018   11:54:59   ( -68.31, 179.76) 09/25/2018   11:55:44  ( -68.31, 179.80)    1.74                45
 09/25/2018   12:45:42   (  68.15, -12.72) 09/25/2018   12:45:12  (  68.14, -12.76)    2.18                30
 09/25/2018   13:36:05   ( -67.03, 155.95) 09/25/2018   13:34:59  ( -67.08, 153.68)   98.79                66
 09/28/2018   03:21:23   (  69.03, 127.26) 09/28/2018   03:22:32  (  68.89, 128.76)   61.81                69
 09/28/2018   04:11:52   ( -68.23, -64.37) 09/28/2018   04:12:12  ( -68.23, -64.42)    2.22                20
 09/28/2018   05:02:36   (  68.12, 103.09) 09/28/2018   05:01:39  (  68.11, 103.09)    1.39                57
 09/30/2018   19:38:06   (  68.36,-116.08) 09/30/2018   19:39:09  (  68.35,-116.02)    2.62                63
 09/30/2018   20:28:47   ( -68.21,  51.44) 09/30/2018   20:28:40  ( -68.20,  51.43)    1.26                 7
 09/30/2018   21:19:24   (  67.72,-140.64) 09/30/2018   21:18:12  (  67.79,-141.39)   32.68                72
 10/03/2018   11:55:00   (  68.28,  -0.21) 10/03/2018   11:55:38  (  68.26,  -0.25)    3.31                38
 10/03/2018   12:45:42   ( -68.18, 167.24) 10/03/2018   12:45:08  ( -68.16, 167.27)    2.84                34