Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 10.  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)
 01/11/2021   19:08:29   ( -79.39, -31.05) 01/11/2021   19:07:23  ( -79.38, -31.18)    2.81                66
 01/11/2021   19:57:47   (  79.68, 138.66) 01/11/2021   19:57:58  (  79.68, 138.66)    0.12                11
 01/14/2021   11:24:54   ( -79.47,  85.39) 01/14/2021   11:24:15  ( -79.47,  85.27)    2.67                39
 01/14/2021   12:14:12   (  79.76,-104.88) 01/14/2021   12:14:50  (  79.76,-104.87)    0.29                38
 01/17/2021   03:41:19   ( -79.59,-157.92) 01/17/2021   03:41:07  ( -79.58,-158.02)    2.07                12
 01/17/2021   04:30:38   (  79.83,  11.56) 01/17/2021   04:31:43  (  79.84,  11.60)    0.97                65
 01/19/2021   19:08:22   (  79.50, 149.68) 01/19/2021   19:07:19  (  79.50, 149.80)    2.51                63
 01/19/2021   19:57:44   ( -79.70, -41.24) 01/19/2021   19:57:59  ( -79.69, -41.29)    1.03                15
 01/22/2021   11:24:50   (  79.49, -94.49) 01/22/2021   11:24:15  (  79.48, -94.60)    2.43                35