Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 9.  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   04:30:43   ( -79.78,-168.90) 01/09/2021   04:31:45  ( -79.77,-169.05)    3.16                62
 01/11/2021   19:08:29   ( -79.38, -31.16) 01/11/2021   19:07:23  ( -79.37, -31.28)    2.75                66
 01/11/2021   19:57:47   (  79.67, 138.54) 01/11/2021   19:57:58  (  79.67, 138.54)    0.26                11
 01/14/2021   11:24:54   ( -79.50,  85.54) 01/14/2021   11:24:15  ( -79.49,  85.43)    2.56                39
 01/14/2021   12:14:13   (  79.75,-105.00) 01/14/2021   12:14:51  (  79.75,-104.99)    0.50                38
 01/17/2021   03:41:20   ( -79.57,-158.03) 01/17/2021   03:41:08  ( -79.57,-158.12)    1.89                12
 01/17/2021   04:30:38   (  79.85,  11.71) 01/17/2021   04:31:43  (  79.86,  11.77)    1.15                65
 01/19/2021   19:08:21   (  79.52, 149.83) 01/19/2021   19:07:18  (  79.52, 149.96)    2.77                63
 01/19/2021   19:57:44   ( -79.68, -41.36) 01/19/2021   19:57:59  ( -79.68, -41.40)    0.73                15
 01/22/2021   11:24:49   (  79.51, -94.35) 01/22/2021   11:24:14  (  79.50, -94.44)    2.07                35