Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 6.  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   02:51:51   (  79.47,  33.58) 11/09/2018   02:51:15  (  79.47,  33.57)    0.11                36
 11/09/2018   03:41:12   ( -79.70,-157.10) 11/09/2018   03:41:53  ( -79.71,-157.10)    0.25                41
 11/11/2018   19:08:16   (  79.61, 150.44) 11/11/2018   19:08:06  (  79.61, 150.55)    2.35                10
 11/11/2018   19:57:37   ( -79.84, -40.19) 11/11/2018   19:58:44  ( -79.85, -40.05)    2.86                67
 11/14/2018   10:35:24   ( -79.42,  97.35) 11/14/2018   10:34:23  ( -79.42,  97.37)    0.48                61
 11/14/2018   11:24:44   (  79.63, -93.51) 11/14/2018   11:25:01  (  79.63, -93.56)    1.08                17
 11/17/2018   02:51:52   ( -79.44,-146.64) 11/17/2018   02:51:18  ( -79.43,-146.74)    2.21                34
 11/17/2018   03:41:09   (  79.76,  23.32) 11/17/2018   03:41:52  (  79.77,  23.43)    2.45                43
 11/19/2018   19:08:15   ( -79.60, -29.60) 11/19/2018   19:08:07  ( -79.61, -29.51)    2.10                 8