Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 3 22.  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   11:25:14   ( -79.48,  85.42) 03/24/2017   11:24:20  ( -79.48,  85.50)    1.73                54
 03/24/2017   12:14:35   (  79.66,-105.66) 03/24/2017   12:14:59  (  79.65,-105.78)    2.44                24
 03/27/2017   03:41:41   ( -79.52,-158.42) 03/27/2017   03:41:11  ( -79.51,-158.47)    1.24                30
 03/27/2017   04:31:00   (  79.77,  11.04) 03/27/2017   04:31:47  (  79.77,  11.09)    0.95                47
 03/29/2017   19:58:06   ( -79.66, -41.50) 03/29/2017   19:57:59  ( -79.67, -41.35)    2.97                 7
 03/29/2017   20:47:28   (  79.80, 127.16) 03/29/2017   20:48:39  (  79.79, 127.10)    1.31                71
 04/01/2017   11:25:14   (  79.41, -95.02) 04/01/2017   11:24:14  (  79.40, -95.10)    1.78                60
 04/01/2017   12:14:34   ( -79.69,  74.58) 04/01/2017   12:14:51  ( -79.69,  74.65)    1.55                17
 04/04/2017   03:41:41   (  79.47,  21.26) 04/04/2017   03:41:05  (  79.46,  21.14)    2.58                36