Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 18.  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   02:52:04   ( -79.47,-146.33) 01/20/2019   02:51:06  ( -79.46,-146.41)    1.86                58
 01/20/2019   03:41:23   (  79.73,  23.17) 01/20/2019   03:41:42  (  79.73,  23.21)    0.90                19
 01/22/2019   19:08:32   ( -79.54, -29.94) 01/22/2019   19:07:58  ( -79.54, -30.01)    1.37                34
 01/22/2019   19:57:50   (  79.83, 139.84) 01/22/2019   19:58:33  (  79.84, 139.93)    1.80                43
 01/25/2019   11:24:59   ( -79.65,  86.70) 01/25/2019   11:24:49  ( -79.65,  86.68)    0.52                10
 01/25/2019   12:14:18   (  79.89,-103.78) 01/25/2019   12:15:25  (  79.90,-103.63)    3.10                67
 01/28/2019   02:52:05   (  79.48,  33.72) 01/28/2019   02:51:02  (  79.47,  33.68)    0.78                63
 01/28/2019   03:41:25   ( -79.75,-156.66) 01/28/2019   03:41:39  ( -79.75,-156.63)    0.72                14
 01/30/2019   19:08:32   (  79.57, 150.29) 01/30/2019   19:07:53  (  79.58, 150.34)    1.11                39