Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 29.  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)
 04/01/2017   11:25:19   (  79.33, -95.66) 04/01/2017   11:24:21  (  79.32, -95.77)    2.34                58
 04/01/2017   12:14:38   ( -79.64,  74.15) 04/01/2017   12:14:57  ( -79.64,  74.19)    0.97                19
 04/04/2017   03:41:46   (  79.43,  20.91) 04/04/2017   03:41:14  (  79.43,  20.84)    1.53                32
 04/04/2017   04:31:06   ( -79.71,-169.51) 04/04/2017   04:31:51  ( -79.71,-169.42)    1.89                45
 04/06/2017   19:58:13   (  79.53, 137.44) 04/06/2017   19:58:07  (  79.53, 137.45)    0.43                 6
 04/06/2017   20:47:35   ( -79.72, -53.49) 04/06/2017   20:48:47  ( -79.72, -53.61)    2.55                72
 04/09/2017   11:25:19   ( -79.40,  84.78) 04/09/2017   11:24:22  ( -79.40,  84.83)    1.13                57
 04/09/2017   12:14:40   (  79.57,-106.35) 04/09/2017   12:15:01  (  79.56,-106.50)    3.12                21
 04/12/2017   03:41:47   ( -79.44,-159.07) 04/12/2017   03:41:17  ( -79.43,-159.13)    1.31                30