Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 4 4.  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)
 04/04/2019   19:58:32   ( -79.51, -42.76) 04/04/2019   19:58:04  ( -79.50, -42.78)    0.53                28
 04/04/2019   20:47:51   (  79.77, 126.77) 04/04/2019   20:48:40  (  79.77, 126.87)    1.87                49
 04/07/2019   12:14:57   ( -79.60,  73.81) 04/07/2019   12:14:54  ( -79.61,  73.89)    1.84                 3
 04/07/2019   13:03:40   (  80.97,-105.24) 04/07/2019   13:04:54  (  80.78,-104.86)   23.05                74
 04/10/2019   03:42:02   (  79.43,  20.84) 04/10/2019   03:41:07  (  79.43,  20.88)    0.88                55
 04/10/2019   04:31:24   ( -79.62,-170.17) 04/10/2019   04:31:47  ( -79.62,-170.27)    2.01                23
 04/12/2019   19:58:28   (  79.44, 136.83) 04/12/2019   19:57:59  (  79.44, 136.70)    2.96                29
 04/12/2019   20:47:47   ( -79.75, -53.35) 04/12/2019   20:48:35  ( -79.75, -53.31)    0.77                48
 04/15/2019   12:14:52   (  79.57,-106.40) 04/15/2019   12:14:48  (  79.57,-106.41)    0.17                 4
 04/15/2019   13:04:14   ( -79.76,  62.64) 04/15/2019   13:05:28  ( -79.75,  62.51)    2.73                74