Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 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)
 01/09/2019   11:24:55   ( -79.68,  86.92) 01/09/2019   11:24:53  ( -79.68,  86.97)    1.03                 2
 01/09/2019   12:13:06   (  81.63, -79.57) 01/09/2019   12:14:19  (  81.27, -78.92)   42.18                73
 01/12/2019   02:52:01   (  79.54,  34.18) 01/12/2019   02:51:06  (  79.55,  34.28)    2.03                55
 01/12/2019   03:41:23   ( -79.73,-156.80) 01/12/2019   03:41:46  ( -79.73,-156.84)    1.04                23
 01/14/2019   19:08:28   (  79.59, 150.41) 01/14/2019   19:07:58  (  79.59, 150.44)    0.55                30
 01/14/2019   19:57:51   ( -79.75, -40.80) 01/14/2019   19:58:39  ( -79.74, -40.94)    2.77                48
 01/17/2019   11:24:56   (  79.64, -93.37) 01/17/2019   11:24:51  (  79.64, -93.40)    0.65                 5
 01/17/2019   12:14:16   ( -79.90,  76.28) 01/17/2019   12:15:28  ( -79.91,  76.39)    2.18                72
 01/20/2019   02:52:02   ( -79.55,-145.81) 01/20/2019   02:51:04  ( -79.55,-145.72)    1.85                58