Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 4.  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)
 01/06/2021   11:24:54   (  79.55, -94.10) 01/06/2021   11:24:11  (  79.55, -94.04)    1.23                43
 01/06/2021   12:14:17   ( -79.70,  74.67) 01/06/2021   12:14:52  ( -79.70,  74.55)    2.51                35
 01/09/2021   03:41:21   (  79.60,  22.13) 01/09/2021   03:41:05  (  79.60,  22.15)    0.50                16
 01/09/2021   04:30:44   ( -79.75,-169.07) 01/09/2021   04:31:46  ( -79.75,-169.23)    3.16                62
 01/11/2021   19:08:29   ( -79.39, -31.08) 01/11/2021   19:07:23  ( -79.38, -31.20)    2.68                66
 01/11/2021   19:57:47   (  79.68, 138.59) 01/11/2021   19:57:58  (  79.68, 138.61)    0.31                11
 01/14/2021   11:24:54   ( -79.47,  85.34) 01/14/2021   11:24:15  ( -79.46,  85.23)    2.39                39
 01/14/2021   12:14:12   (  79.75,-104.97) 01/14/2021   12:14:50  (  79.75,-104.94)    0.68                38
 01/17/2021   03:41:19   ( -79.58,-158.00) 01/17/2021   03:41:07  ( -79.57,-158.08)    1.54                12