Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 14.  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   (  79.41, 149.03) 12/16/2019   19:07:35  (  79.40, 148.93)    2.08                59
 12/16/2019   19:57:53   ( -79.71, -41.19) 12/16/2019   19:58:11  ( -79.71, -41.15)    0.72                18
 12/19/2019   11:24:59   (  79.55, -94.11) 12/19/2019   11:24:24  (  79.55, -94.11)    0.23                35
 12/19/2019   12:14:19   ( -79.81,  75.47) 12/19/2019   12:15:01  ( -79.82,  75.61)    2.87                42
 12/22/2019   03:41:24   (  79.65,  22.49) 12/22/2019   03:41:13  (  79.66,  22.60)    2.36                11
 12/22/2019   04:30:47   ( -79.80,-168.72) 12/22/2019   04:31:54  ( -79.80,-168.78)    1.07                67
 12/24/2019   19:08:31   ( -79.49, -30.39) 12/24/2019   19:07:27  ( -79.50, -30.26)    2.80                64
 12/24/2019   19:57:52   (  79.67, 138.53) 12/24/2019   19:58:06  (  79.67, 138.47)    1.28                14
 12/27/2019   11:24:59   ( -79.51,  85.63) 12/27/2019   11:24:20  ( -79.51,  85.60)    0.50                39