Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 12 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)
 12/15/2018   04:03:29   (  80.31,  76.66) 12/15/2018   04:02:16  (  80.32,  76.80)    2.88                73
 12/15/2018   04:54:14   ( -80.32,-116.11) 12/15/2018   04:53:12  ( -80.31,-116.12)    0.95                62
 12/15/2018   05:44:59   (  80.31,  51.25) 12/15/2018   05:44:17  (  80.32,  51.30)    1.20                42
 12/15/2018   06:35:44   ( -80.32,-141.52) 12/15/2018   06:35:13  ( -80.31,-141.62)    2.30                31
 12/15/2018   07:26:29   (  80.32,  25.83) 12/15/2018   07:26:18  (  80.32,  25.79)    0.81                11
 12/15/2018   08:17:14   ( -80.32,-166.93) 12/15/2018   08:17:13  ( -80.33,-166.80)    2.64                 1
 12/15/2018   09:07:59   (  80.32,   0.42) 12/15/2018   09:08:19  (  80.32,   0.29)    2.44                20
 12/15/2018   09:58:44   ( -80.33, 167.65) 12/15/2018   09:59:14  ( -80.33, 167.70)    0.90                30
 12/15/2018   10:49:29   (  80.32, -24.99) 12/15/2018   10:50:19  (  80.34, -24.88)    2.71                50
 12/15/2018   11:40:14   ( -80.33, 142.24) 12/15/2018   11:41:15  ( -80.33, 142.20)    0.84                61