Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 27.  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)
 10/29/2017   02:51:51   ( -79.56,-145.73) 10/29/2017   02:51:21  ( -79.57,-145.65)    1.70                30
 10/29/2017   03:41:11   (  79.77,  23.47) 10/29/2017   03:41:59  (  79.77,  23.50)    0.57                48
 10/31/2017   19:08:20   ( -79.63, -29.38) 10/31/2017   19:08:14  ( -79.63, -29.34)    0.88                 6
 10/31/2017   19:57:40   (  79.84, 139.82) 10/31/2017   19:58:52  (  79.83, 139.81)    0.39                72
 11/03/2017   10:35:28   (  79.44, -82.45) 11/03/2017   10:34:29  (  79.45, -82.41)    0.75                59
 11/03/2017   11:24:49   ( -79.69,  86.92) 11/03/2017   11:25:07  ( -79.69,  86.96)    0.86                18
 11/06/2017   02:51:56   (  79.53,  34.04) 11/06/2017   02:51:21  (  79.54,  34.10)    1.44                35
 11/06/2017   03:41:17   ( -79.77,-156.55) 11/06/2017   03:41:59  ( -79.78,-156.47)    1.72                42
 11/08/2017   19:08:22   (  79.65, 150.75) 11/08/2017   19:08:11  (  79.66, 150.89)    2.92                11