Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 23.  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)
 03/24/2017   11:25:16   ( -79.41,  84.86) 03/24/2017   11:24:22  ( -79.41,  84.93)    1.63                54
 03/24/2017   12:14:37   (  79.59,-106.25) 03/24/2017   12:15:01  (  79.58,-106.36)    2.28                24
 03/27/2017   03:41:44   ( -79.41,-159.22) 03/27/2017   03:41:14  ( -79.41,-159.31)    1.89                30
 03/27/2017   04:31:02   (  79.70,  10.47) 03/27/2017   04:31:49  (  79.70,  10.50)    0.56                47
 03/29/2017   19:58:09   ( -79.56, -42.29) 03/29/2017   19:58:02  ( -79.57, -42.20)    1.87                 7
 03/29/2017   20:47:30   (  79.74, 126.62) 03/29/2017   20:48:41  (  79.73, 126.51)    2.17                71
 04/01/2017   11:25:17   (  79.31, -95.76) 04/01/2017   11:24:17  (  79.30, -95.89)    2.93                60
 04/01/2017   12:14:37   ( -79.59,  73.81) 04/01/2017   12:14:54  ( -79.60,  73.81)    0.25                17
 04/04/2017   03:41:41   (  79.49,  21.31) 04/04/2017   03:41:04  (  79.49,  21.42)    2.40                37
 04/04/2017   04:31:04   ( -79.66,-169.88) 04/04/2017   04:31:45  ( -79.65,-169.92)    0.82                41
 04/06/2017   19:58:07   (  79.54, 137.56) 04/06/2017   19:57:54  (  79.55, 137.66)    2.21                13