Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 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)
 03/11/2021   11:25:04   (  79.43, -94.94) 03/11/2021   11:24:12  (  79.43, -94.98)    0.99                52
 03/11/2021   12:14:24   ( -79.70,  74.58) 03/11/2021   12:14:49  ( -79.70,  74.60)    0.49                25
 03/14/2021   03:41:31   (  79.52,  21.54) 03/14/2021   03:41:04  (  79.51,  21.48)    1.38                27
 03/14/2021   04:30:51   ( -79.74,-169.17) 03/14/2021   04:31:41  ( -79.75,-169.17)    0.23                50
 03/16/2021   19:57:57   (  79.60, 138.00) 03/16/2021   19:57:55  (  79.59, 137.95)    1.24                 2
 03/16/2021   20:46:40   ( -81.00, -40.68) 03/16/2021   20:47:54  ( -80.80, -40.18)   23.09                74
 03/19/2021   11:25:04   ( -79.46,  85.26) 03/19/2021   11:24:09  ( -79.46,  85.32)    1.36                55
 03/19/2021   12:14:24   (  79.68,-105.56) 03/19/2021   12:14:47  (  79.67,-105.59)    0.54                23
 03/22/2021   03:41:30   ( -79.57,-158.08) 03/22/2021   03:41:00  ( -79.58,-157.96)    2.41                30