Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 11 30.  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)
 12/10/2017   15:12:38   (  80.71, -95.56) 12/10/2017   15:11:29  (  80.72, -95.71)    2.67                69
 12/10/2017   16:03:19   ( -80.72,  71.56) 12/10/2017   16:02:26  ( -80.72,  71.64)    1.61                53
 12/10/2017   16:53:59   (  80.73,-121.15) 12/10/2017   16:53:30  (  80.72,-121.08)    1.54                29
 12/10/2017   17:44:39   ( -80.72,  46.31) 12/10/2017   17:44:27  ( -80.72,  46.27)    0.84                12
 12/10/2017   18:35:19   (  80.72,-146.40) 12/10/2017   18:35:31  (  80.73,-146.45)    0.94                12
 12/10/2017   19:25:59   ( -80.71,  21.06) 12/10/2017   19:26:28  ( -80.73,  20.90)    3.26                29
 12/10/2017   20:16:40   (  80.74,-172.00) 12/10/2017   20:17:32  (  80.73,-171.82)    3.24                52