Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 15.  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)
 12/16/2019   19:08:34   (  79.40, 148.98) 12/16/2019   19:07:35  (  79.39, 148.88)    2.08                59
 12/16/2019   19:57:53   ( -79.70, -41.24) 12/16/2019   19:58:11  ( -79.70, -41.21)    0.76                18
 12/19/2019   11:24:59   (  79.54, -94.15) 12/19/2019   11:24:24  (  79.54, -94.15)    0.14                35
 12/19/2019   12:14:19   ( -79.80,  75.42) 12/19/2019   12:15:01  ( -79.81,  75.55)    2.87                42
 12/22/2019   03:41:25   (  79.64,  22.44) 12/22/2019   03:41:14  (  79.65,  22.55)    2.26                11
 12/22/2019   04:30:47   ( -79.83,-168.50) 12/22/2019   04:31:54  ( -79.83,-168.55)    1.13                67
 12/24/2019   19:08:31   ( -79.48, -30.44) 12/24/2019   19:07:27  ( -79.49, -30.32)    2.60                64
 12/24/2019   19:57:52   (  79.66, 138.48) 12/24/2019   19:58:06  (  79.66, 138.41)    1.51                14
 12/27/2019   11:24:59   ( -79.50,  85.58) 12/27/2019   11:24:20  ( -79.50,  85.54)    0.87                39