Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 6 7.  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)
 06/10/2018   03:41:54   (  79.42,  20.79) 06/10/2018   03:41:28  (  79.42,  20.84)    1.37                26
 06/10/2018   04:31:15   ( -79.65,-169.91) 06/10/2018   04:32:06  ( -79.66,-169.86)    1.14                51
 06/12/2018   19:58:20   (  79.52, 137.35) 06/12/2018   19:58:20  (  79.52, 137.41)    1.28                 0
 06/12/2018   20:45:19   ( -81.52,   0.77) 06/12/2018   20:46:32  ( -80.77,  -0.60)   86.28                73
 06/15/2018   11:25:27   ( -79.36,  84.54) 06/15/2018   11:24:35  ( -79.36,  84.62)    1.75                52
 06/15/2018   12:14:46   (  79.61,-106.11) 06/15/2018   12:15:12  (  79.61,-106.02)    1.78                26
 06/18/2018   03:41:52   ( -79.45,-158.95) 06/18/2018   03:41:26  ( -79.46,-158.83)    2.49                26
 06/18/2018   04:31:11   (  79.70,  10.41) 06/18/2018   04:32:03  (  79.70,  10.55)    2.79                52
 06/20/2018   19:10:48   (  74.11, 128.70) 06/20/2018   19:09:35  (  74.38, 127.03)   58.45                73