Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 22.  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)
 12/24/2019   19:08:33   ( -79.40, -30.98) 12/24/2019   19:07:30  ( -79.39, -31.10)    2.58                63
 12/24/2019   19:57:51   (  79.70, 138.77) 12/24/2019   19:58:05  (  79.70, 138.76)    0.43                14
 12/27/2019   11:24:58   ( -79.53,  85.80) 12/27/2019   11:24:19  ( -79.54,  85.85)    1.06                39
 12/27/2019   12:14:19   (  79.72,-105.24) 12/27/2019   12:14:58  (  79.71,-105.39)    3.09                39
 12/30/2019   03:41:25   ( -79.58,-157.95) 12/30/2019   03:41:11  ( -79.58,-158.01)    1.27                14
 12/30/2019   04:30:44   (  79.83,  11.56) 12/30/2019   04:31:47  (  79.84,  11.61)    1.11                63
 01/01/2020   19:08:29   (  79.43, 149.23) 01/01/2020   19:07:22  (  79.43, 149.24)    0.33                67
 01/01/2020   19:57:51   ( -79.63, -41.73) 01/01/2020   19:58:02  ( -79.62, -41.88)    3.10                11
 01/04/2020   11:24:55   (  79.51, -94.33) 01/04/2020   11:24:13  (  79.51, -94.39)    1.18                42