Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 19.  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)
 01/20/2019   02:52:05   ( -79.46,-146.40) 01/20/2019   02:51:07  ( -79.45,-146.50)    2.08                58
 01/20/2019   03:41:23   (  79.75,  23.37) 01/20/2019   03:41:42  (  79.75,  23.41)    0.78                19
 01/22/2019   19:08:32   ( -79.54, -29.99) 01/22/2019   19:07:58  ( -79.53, -30.10)    2.25                34
 01/22/2019   19:57:50   (  79.82, 139.79) 01/22/2019   19:58:33  (  79.83, 139.84)    1.04                43
 01/25/2019   11:25:00   ( -79.61,  86.43) 01/25/2019   11:24:50  ( -79.60,  86.30)    2.58                10
 01/25/2019   12:14:18   (  79.89,-103.78) 01/25/2019   12:15:25  (  79.89,-103.73)    1.14                67
 01/28/2019   02:52:05   (  79.52,  34.04) 01/28/2019   02:51:01  (  79.53,  34.13)    1.98                64
 01/28/2019   03:41:28   ( -79.69,-157.15) 01/28/2019   03:41:42  ( -79.68,-157.29)    3.08                14
 01/30/2019   19:08:33   (  79.60, 150.44) 01/30/2019   19:07:53  (  79.60, 150.51)    1.62                40