Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and TERRA
TLE Epoch: 2017 12 10.  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)
 12/10/2017   21:53:21   (  68.39,-149.68) 12/10/2017   21:54:03  (  68.40,-149.64)    1.50                42
 12/10/2017   22:43:57   ( -68.25,  17.85) 12/10/2017   22:43:34  ( -68.23,  17.79)    2.82                23
 12/10/2017   23:34:22   (  67.35,-173.72) 12/10/2017   23:33:14  (  67.39,-175.53)   77.48                68
 12/13/2017   17:27:00   (  68.88, -83.69) 12/13/2017   17:28:10  (  68.78, -82.72)   40.24                70
 12/13/2017   18:17:29   ( -68.35,  84.35) 12/13/2017   18:17:46  ( -68.34,  84.37)    1.11                17
 12/13/2017   19:08:08   (  68.22,-108.16) 12/13/2017   19:07:13  (  68.23,-108.12)    1.66                55
 12/16/2017   13:51:00   ( -68.39, 150.92) 12/16/2017   13:51:59  ( -68.40, 150.88)    1.67                59
 12/16/2017   14:41:39   (  68.27, -41.59) 12/16/2017   14:41:26  (  68.28, -41.62)    1.30                13
 12/16/2017   15:32:12   ( -67.95, 126.15) 12/16/2017   15:30:59  ( -68.01, 125.70)   20.02                73
 12/19/2017   09:24:50   ( -69.46,-143.90) 12/19/2017   09:25:56  ( -69.34,-141.48)   95.29                66
 12/19/2017   10:15:11   (  68.38,  24.90) 12/19/2017   10:15:38  (  68.39,  24.96)    2.94                27
 12/19/2017   11:05:46   ( -68.21,-167.55) 12/19/2017   11:05:08  ( -68.23,-167.59)    2.99                38
 12/22/2017   05:48:41   (  68.43,  91.46) 12/22/2017   05:49:50  (  68.45,  91.48)    1.80                69
 12/22/2017   06:39:18   ( -68.31,-101.05) 12/22/2017   06:39:21  ( -68.29,-101.08)    2.62                 3
 12/22/2017   07:29:57   (  68.20,  66.42) 12/22/2017   07:28:48  (  68.17,  66.42)    3.49                69