Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 8.  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)
 01/09/2021   03:41:21   (  79.62,  22.26) 01/09/2021   03:41:05  (  79.61,  22.29)    0.49                16
 01/09/2021   04:30:43   ( -79.77,-168.96) 01/09/2021   04:31:45  ( -79.76,-169.11)    3.10                62
 01/11/2021   19:08:29   ( -79.37, -31.22) 01/11/2021   19:07:23  ( -79.36, -31.34)    2.57                66
 01/11/2021   19:57:46   (  79.70, 138.74) 01/11/2021   19:57:57  (  79.70, 138.76)    0.41                11
 01/14/2021   11:24:54   ( -79.49,  85.48) 01/14/2021   11:24:15  ( -79.48,  85.38)    2.14                39
 01/14/2021   12:14:12   (  79.77,-104.80) 01/14/2021   12:14:50  (  79.77,-104.76)    0.84                38
 01/17/2021   03:41:19   ( -79.60,-157.85) 01/17/2021   03:41:07  ( -79.59,-157.90)    1.16                12
 01/17/2021   04:30:38   (  79.84,  11.62) 01/17/2021   04:31:43  (  79.85,  11.71)    1.89                65
 01/19/2021   19:08:24   (  79.43, 149.21) 01/19/2021   19:07:22  (  79.42, 149.09)    2.53                62