Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 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)
 05/11/2021   19:57:53   ( -79.51, -42.68) 05/11/2021   19:57:50  ( -79.51, -42.62)    1.36                 3
 05/11/2021   20:46:31   (  81.03, 139.77) 05/11/2021   20:47:45  (  80.81, 140.18)   25.28                74
 05/14/2021   11:24:59   (  79.30, -95.81) 05/14/2021   11:24:07  (  79.30, -95.84)    0.74                52
 05/14/2021   12:14:18   ( -79.62,  74.00) 05/14/2021   12:14:43  ( -79.62,  74.09)    1.85                25
 05/17/2021   03:41:25   (  79.42,  20.81) 05/17/2021   03:41:01  (  79.42,  20.81)    0.16                24
 05/17/2021   04:30:45   ( -79.69,-169.61) 05/17/2021   04:31:38  ( -79.70,-169.48)    2.74                53
 05/19/2021   19:08:33   ( -79.23, -32.19) 05/19/2021   19:07:20  ( -79.22, -32.28)    1.92                73
 05/19/2021   19:57:51   (  79.52, 137.41) 05/19/2021   19:57:55  (  79.53, 137.46)    1.24                 4
 05/22/2021   11:24:59   ( -79.33,  84.37) 05/22/2021   11:24:14  ( -79.33,  84.35)    0.38                45