Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 10 18.  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)
 10/18/2018   19:08:21   ( -79.55, -30.00) 10/18/2018   19:08:09  ( -79.56, -29.93)    1.66                12
 10/18/2018   19:57:40   (  79.80, 139.46) 10/18/2018   19:58:46  (  79.80, 139.53)    1.43                66
 10/21/2018   10:35:27   (  79.34, -83.19) 10/21/2018   10:34:25  (  79.34, -83.24)    1.06                62
 10/21/2018   11:24:48   ( -79.58,  86.12) 10/21/2018   11:25:03  ( -79.58,  86.03)    1.71                15
 10/24/2018   02:51:51   (  79.48,  33.65) 10/24/2018   02:51:15  (  79.49,  33.76)    2.46                36
 10/24/2018   03:41:12   ( -79.72,-156.99) 10/24/2018   03:41:53  ( -79.73,-156.90)    1.76                41
 10/26/2018   19:08:16   (  79.54, 149.96) 10/26/2018   19:08:07  (  79.54, 149.95)    0.05                 9
 10/26/2018   19:57:38   ( -79.75, -40.92) 10/26/2018   19:58:46  ( -79.75, -40.96)    0.77                68
 10/29/2018   10:35:24   ( -79.32,  96.66) 10/29/2018   10:34:24  ( -79.31,  96.56)    2.04                60
 10/29/2018   11:24:42   (  79.60, -93.76) 10/29/2018   11:25:00  (  79.59, -93.86)    2.13                18
 11/01/2018   02:51:46   ( -79.52,-146.06) 11/01/2018   02:51:12  ( -79.53,-145.94)    2.66                34