Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 10 28.  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,-145.75) 10/29/2017   02:51:21  ( -79.56,-145.67)    1.68                30
 10/29/2017   03:41:11   (  79.77,  23.45) 10/29/2017   03:41:59  (  79.77,  23.48)    0.53                48
 10/31/2017   19:08:20   ( -79.63, -29.39) 10/31/2017   19:08:14  ( -79.63, -29.35)    0.78                 6
 10/31/2017   19:57:41   (  79.80, 139.53) 10/31/2017   19:58:53  (  79.80, 139.51)    0.50                72
 11/03/2017   10:35:28   (  79.45, -82.44) 11/03/2017   10:34:29  (  79.45, -82.42)    0.50                59
 11/03/2017   11:24:49   ( -79.69,  86.92) 11/03/2017   11:25:07  ( -79.69,  86.95)    0.60                18
 11/06/2017   02:51:56   (  79.54,  34.06) 11/06/2017   02:51:21  (  79.54,  34.11)    0.97                35
 11/06/2017   03:41:17   ( -79.78,-156.53) 11/06/2017   03:41:59  ( -79.78,-156.47)    1.27                42
 11/08/2017   19:08:22   (  79.66, 150.80) 11/08/2017   19:08:11  (  79.66, 150.91)    2.24                11
 11/08/2017   19:57:44   ( -79.86, -40.03) 11/08/2017   19:58:50  ( -79.87, -39.90)    2.74                66
 11/11/2017   10:35:33   ( -79.41,  97.34) 11/11/2017   10:34:29  ( -79.41,  97.32)    0.34                64