Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 12.  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)
 03/14/2021   03:41:32   (  79.45,  21.05) 03/14/2021   03:41:05  (  79.45,  20.96)    1.77                27
 03/14/2021   04:30:52   ( -79.72,-169.42) 03/14/2021   04:31:42  ( -79.72,-169.44)    0.38                50
 03/16/2021   19:57:59   (  79.53, 137.49) 03/16/2021   19:57:57  (  79.53, 137.42)    1.46                 2
 03/16/2021   20:46:42   ( -80.95, -41.36) 03/16/2021   20:47:56  ( -80.77, -40.87)   22.56                74
 03/19/2021   11:25:05   ( -79.42,  84.97) 03/19/2021   11:24:10  ( -79.43,  85.06)    1.90                55
 03/19/2021   12:14:25   (  79.64,-105.85) 03/19/2021   12:14:48  (  79.64,-105.85)    0.08                23
 03/22/2021   03:41:33   ( -79.45,-158.94) 03/22/2021   03:41:04  ( -79.45,-159.05)    2.24                29
 03/22/2021   04:30:51   (  79.74,  10.77) 03/22/2021   04:31:39  (  79.75,  10.89)    2.42                48
 03/24/2021   19:57:57   ( -79.59, -42.12) 03/24/2021   19:57:53  ( -79.59, -42.07)    1.11                 4