Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 13.  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)
 01/14/2021   11:24:54   ( -79.48,  85.42) 01/14/2021   11:24:15  ( -79.47,  85.30)    2.55                39
 01/14/2021   12:14:12   (  79.77,-104.84) 01/14/2021   12:14:50  (  79.77,-104.82)    0.36                38
 01/17/2021   03:41:19   ( -79.59,-157.89) 01/17/2021   03:41:07  ( -79.58,-157.98)    2.02                12
 01/17/2021   04:30:38   (  79.84,  11.61) 01/17/2021   04:31:43  (  79.84,  11.65)    0.96                65
 01/19/2021   19:08:22   (  79.50, 149.73) 01/19/2021   19:07:19  (  79.51, 149.84)    2.40                63
 01/19/2021   19:57:45   ( -79.66, -41.48) 01/19/2021   19:58:00  ( -79.66, -41.53)    1.09                15
 01/22/2021   11:24:49   (  79.49, -94.43) 01/22/2021   11:24:14  (  79.49, -94.56)    2.70                35
 01/22/2021   12:14:09   ( -79.77,  75.18) 01/22/2021   12:14:51  ( -79.77,  75.20)    0.32                42
 01/25/2021   03:41:13   (  79.63,  22.44) 01/25/2021   03:41:05  (  79.63,  22.40)    1.04                 8