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)
 04/07/2019   12:14:56   ( -79.62,  73.94) 04/07/2019   12:14:53  ( -79.63,  74.04)    2.00                 3
 04/07/2019   13:03:38   (  81.01,-104.70) 04/07/2019   13:04:52  (  80.81,-104.31)   23.97                74
 04/10/2019   03:42:01   (  79.44,  20.95) 04/10/2019   03:41:06  (  79.45,  21.03)    1.69                55
 04/10/2019   04:31:23   ( -79.64,-170.06) 04/10/2019   04:31:46  ( -79.63,-170.12)    1.29                23
 04/12/2019   19:58:27   (  79.49, 137.17) 04/12/2019   19:57:58  (  79.49, 137.11)    1.30                29
 04/12/2019   20:47:47   ( -79.76, -53.27) 04/12/2019   20:48:35  ( -79.76, -53.16)    2.34                48
 04/15/2019   12:14:51   (  79.61,-106.11) 04/15/2019   12:14:47  (  79.62,-105.98)    2.69                 4
 04/15/2019   13:04:11   ( -79.87,  63.50) 04/15/2019   13:05:25  ( -79.86,  63.52)    1.39                74
 04/18/2019   03:41:57   ( -79.39,-159.37) 04/18/2019   03:41:02  ( -79.39,-159.41)    0.99                55