Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 10 10.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 10/20/2018   17:35:43   ( -80.40,  52.53) 10/20/2018   17:34:29  ( -80.38,  52.60)    2.88                74
 10/20/2018   18:26:27   (  80.40,-140.14) 10/20/2018   18:25:23  (  80.39,-140.03)    2.65                64
 10/20/2018   19:17:11   ( -80.38,  27.44) 10/20/2018   19:16:28  ( -80.40,  27.45)    2.15                43
 10/20/2018   20:07:57   (  80.40,-165.54) 10/20/2018   20:07:24  (  80.39,-165.52)    1.99                33
 10/20/2018   20:58:41   ( -80.38,   2.04) 10/20/2018   20:58:29  ( -80.40,   1.96)    2.41                12
 10/20/2018   21:49:27   (  80.41, 169.05) 10/20/2018   21:49:25  (  80.39, 169.00)    2.33                 2
 10/20/2018   22:40:12   ( -80.41, -23.69) 10/20/2018   22:40:30  ( -80.40, -23.53)    3.18                18
 10/20/2018   23:30:57   (  80.41, 143.64) 10/20/2018   23:31:26  (  80.39, 143.51)    3.37                29
 10/21/2018   00:21:42   ( -80.41, -49.10) 10/21/2018   00:22:31  ( -80.40, -49.02)    1.91                49
 10/21/2018   01:12:27   (  80.41, 118.24) 10/21/2018   01:13:26  (  80.41, 118.36)    2.33                59