Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 5.  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   15:12:40   (  80.72, -95.67) 12/10/2017   15:11:28  (  80.72, -95.51)    2.95                72
 12/10/2017   16:03:20   ( -80.71,  71.72) 12/10/2017   16:02:25  ( -80.72,  71.80)    1.87                55
 12/10/2017   16:54:01   (  80.73,-121.26) 12/10/2017   16:53:30  (  80.71,-121.25)    1.85                31
 12/10/2017   17:44:41   ( -80.73,  46.14) 12/10/2017   17:44:27  ( -80.72,  46.07)    1.72                14
 12/10/2017   18:35:21   (  80.72,-146.50) 12/10/2017   18:35:31  (  80.72,-146.62)    2.27                10
 12/10/2017   19:26:01   ( -80.72,  20.91) 12/10/2017   19:26:27  ( -80.73,  21.06)    3.13                26
 12/10/2017   20:16:42   (  80.74,-172.08) 12/10/2017   20:17:32  (  80.72,-171.99)    2.50                50