Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 8.  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)
 11/09/2018   02:51:52   (  79.46,  33.50) 11/09/2018   02:51:16  (  79.46,  33.49)    0.24                36
 11/09/2018   03:41:12   ( -79.73,-156.92) 11/09/2018   03:41:53  ( -79.73,-156.91)    0.23                41
 11/11/2018   19:08:17   (  79.60, 150.36) 11/11/2018   19:08:07  (  79.60, 150.46)    2.32                10
 11/11/2018   19:57:38   ( -79.83, -40.28) 11/11/2018   19:58:45  ( -79.83, -40.15)    2.79                67
 11/14/2018   10:35:24   ( -79.40,  97.26) 11/14/2018   10:34:23  ( -79.40,  97.27)    0.34                61
 11/14/2018   11:24:44   (  79.62, -93.60) 11/14/2018   11:25:01  (  79.62, -93.66)    1.16                17
 11/17/2018   02:51:51   ( -79.46,-146.47) 11/17/2018   02:51:17  ( -79.45,-146.58)    2.35                34
 11/17/2018   03:41:08   (  79.78,  23.50) 11/17/2018   03:41:51  (  79.79,  23.62)    2.36                43
 11/19/2018   19:08:15   ( -79.62, -29.44) 11/19/2018   19:08:07  ( -79.63, -29.34)    1.91                 8