Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 25.  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)
 03/27/2017   03:41:44   ( -79.43,-159.07) 03/27/2017   03:41:14  ( -79.43,-159.15)    1.87                30
 03/27/2017   04:31:03   (  79.69,  10.38) 03/27/2017   04:31:50  (  79.69,  10.39)    0.47                47
 03/29/2017   19:58:09   ( -79.59, -42.13) 03/29/2017   19:58:02  ( -79.59, -42.04)    2.02                 7
 03/29/2017   20:47:31   (  79.72, 126.52) 03/29/2017   20:48:42  (  79.72, 126.42)    2.16                71
 04/01/2017   11:25:17   (  79.30, -95.85) 04/01/2017   11:24:17  (  79.29, -95.97)    2.60                60
 04/01/2017   12:14:36   ( -79.62,  73.96) 04/01/2017   12:14:53  ( -79.62,  73.99)    0.52                17
 04/04/2017   03:41:43   (  79.40,  20.69) 04/04/2017   03:41:07  (  79.39,  20.55)    3.18                36
 04/04/2017   04:31:03   ( -79.68,-169.72) 04/04/2017   04:31:44  ( -79.68,-169.71)    0.08                41
 04/06/2017   19:58:10   (  79.45, 136.94) 04/06/2017   19:57:58  (  79.45, 136.81)    2.72                12