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)
 12/22/2019   03:41:24   (  79.67,  22.63) 12/22/2019   03:41:13  (  79.67,  22.77)    2.87                11
 12/22/2019   04:30:47   ( -79.81,-168.62) 12/22/2019   04:31:54  ( -79.81,-168.64)    0.45                67
 12/24/2019   19:08:34   ( -79.39, -31.08) 12/24/2019   19:07:31  ( -79.38, -31.21)    2.59                63
 12/24/2019   19:57:52   (  79.69, 138.65) 12/24/2019   19:58:06  (  79.68, 138.64)    0.39                14
 12/27/2019   11:24:57   ( -79.56,  85.97) 12/27/2019   11:24:18  ( -79.56,  86.01)    0.90                39
 12/27/2019   12:14:16   (  79.81,-104.52) 12/27/2019   12:14:54  (  79.82,-104.37)    3.18                38
 12/30/2019   03:41:25   ( -79.57,-158.05) 12/30/2019   03:41:11  ( -79.57,-158.13)    1.60                14
 12/30/2019   04:30:43   (  79.86,  11.73) 12/30/2019   04:31:46  (  79.86,  11.77)    0.78                63
 01/01/2020   19:08:29   (  79.46, 149.40) 01/01/2020   19:07:22  (  79.45, 149.38)    0.45                67
 01/01/2020   19:57:49   ( -79.73, -41.02) 01/01/2020   19:57:59  ( -79.74, -40.89)    2.73                10
 01/04/2020   11:24:56   (  79.50, -94.43) 01/04/2020   11:24:14  (  79.49, -94.52)    2.08                42