Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 6 3.  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)
 06/04/2017   11:25:01   (  79.30, -95.88) 06/04/2017   11:24:31  (  79.30, -95.90)    0.38                30
 06/04/2017   12:14:21   ( -79.57,  73.58) 06/04/2017   12:15:08  ( -79.57,  73.61)    0.73                47
 06/07/2017   03:41:27   (  79.37,  20.50) 06/07/2017   03:41:24  (  79.37,  20.40)    2.24                 3
 06/07/2017   04:30:48   ( -79.61,-170.25) 06/07/2017   04:32:02  ( -79.60,-170.32)    1.42                74
 06/09/2017   19:08:34   ( -79.18, -32.50) 06/09/2017   19:07:40  ( -79.17, -32.59)    2.11                54
 06/09/2017   19:57:51   (  79.52, 137.39) 06/09/2017   19:58:14  (  79.53, 137.52)    2.91                23
 06/12/2017   11:24:59   ( -79.25,  83.83) 06/12/2017   11:24:32  ( -79.24,  83.70)    3.02                27
 06/12/2017   12:14:16   (  79.59,-106.28) 06/12/2017   12:15:06  (  79.59,-106.18)    2.26                50
 06/15/2017   03:41:21   ( -79.47,-158.84) 06/15/2017   03:41:20  ( -79.48,-158.69)    3.10                 1
 06/17/2017   19:08:29   (  79.16, 147.39) 06/17/2017   19:07:39  (  79.15, 147.25)    3.05                50