Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 11.  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, -42.66) 05/11/2021   19:57:50  ( -79.52, -42.60)    1.35                 3
 05/11/2021   20:46:31   (  81.04, 139.81) 05/11/2021   20:47:45  (  80.82, 140.22)   25.35                74
 05/14/2021   11:24:59   (  79.31, -95.78) 05/14/2021   11:24:07  (  79.31, -95.81)    0.75                52
 05/14/2021   12:14:18   ( -79.62,  74.02) 05/14/2021   12:14:43  ( -79.63,  74.11)    1.86                25
 05/17/2021   03:41:25   (  79.42,  20.83) 05/17/2021   03:41:01  (  79.42,  20.83)    0.10                24
 05/17/2021   04:30:45   ( -79.69,-169.59) 05/17/2021   04:31:38  ( -79.70,-169.46)    2.76                53
 05/19/2021   19:08:33   ( -79.23, -32.18) 05/19/2021   19:07:20  ( -79.22, -32.26)    1.89                73
 05/19/2021   19:57:51   (  79.52, 137.43) 05/19/2021   19:57:55  (  79.53, 137.49)    1.24                 4
 05/22/2021   11:24:59   ( -79.33,  84.38) 05/22/2021   11:24:14  ( -79.33,  84.36)    0.33                45