Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 11 16.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/16/2017   19:08:26   ( -79.63, -29.39) 11/16/2017   19:08:11  ( -79.63, -29.33)    1.43                15
 11/16/2017   19:57:47   (  79.80, 139.55) 11/16/2017   19:58:50  (  79.80, 139.50)    0.94                63
 11/19/2017   10:35:34   (  79.41, -82.69) 11/19/2017   10:34:27  (  79.40, -82.77)    1.88                67
 11/19/2017   11:24:54   ( -79.68,  86.91) 11/19/2017   11:25:04  ( -79.68,  86.89)    0.31                10
 11/22/2017   02:52:02   (  79.46,  33.55) 11/22/2017   02:51:20  (  79.45,  33.40)    3.15                42
 11/22/2017   03:41:22   ( -79.73,-156.83) 11/22/2017   03:41:57  ( -79.73,-156.89)    1.28                35
 11/24/2017   19:08:26   (  79.65, 150.82) 11/24/2017   19:08:08  (  79.66, 150.94)    2.67                18
 11/24/2017   19:57:49   ( -79.81, -40.33) 11/24/2017   19:58:49  ( -79.81, -40.40)    1.56                60
 11/27/2017   10:35:34   ( -79.45,  97.59) 11/27/2017   10:34:24  ( -79.44,  97.58)    0.25                70
 11/27/2017   11:24:52   (  79.73, -92.74) 11/27/2017   11:24:59  (  79.74, -92.60)    2.83                 7
 11/30/2017   02:52:00   ( -79.56,-145.76) 11/30/2017   02:51:15  ( -79.56,-145.72)    0.91                45