Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 4.  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   15:12:41   (  80.73, -95.87) 12/10/2017   15:11:29  (  80.72, -95.70)    3.17                72
 12/10/2017   16:03:21   ( -80.72,  71.54) 12/10/2017   16:02:26  ( -80.72,  71.61)    1.42                55
 12/10/2017   16:54:01   (  80.72,-121.10) 12/10/2017   16:53:30  (  80.72,-121.08)    0.54                31
 12/10/2017   17:44:41   ( -80.72,  46.30) 12/10/2017   17:44:27  ( -80.72,  46.25)    1.18                14
 12/10/2017   18:35:21   (  80.72,-146.34) 12/10/2017   18:35:31  (  80.72,-146.45)    2.12                10
 12/10/2017   19:26:02   ( -80.73,  20.72) 12/10/2017   19:26:28  ( -80.73,  20.88)    2.90                26
 12/10/2017   20:16:42   (  80.73,-171.93) 12/10/2017   20:17:32  (  80.73,-171.82)    1.98                50