Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 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)
 05/14/2021   11:24:59   (  79.32, -95.71) 05/14/2021   11:24:07  (  79.32, -95.73)    0.27                52
 05/14/2021   12:14:18   ( -79.63,  74.07) 05/14/2021   12:14:43  ( -79.64,  74.19)    2.45                25
 05/17/2021   03:41:24   (  79.46,  21.12) 05/17/2021   03:41:00  (  79.46,  21.20)    1.58                24
 05/17/2021   04:30:47   ( -79.62,-170.11) 05/17/2021   04:31:41  ( -79.62,-170.21)    2.03                54
 05/19/2021   19:08:32   ( -79.26, -31.95) 05/19/2021   19:07:19  ( -79.27, -31.90)    1.20                73
 05/19/2021   19:57:52   (  79.48, 137.15) 05/19/2021   19:57:57  (  79.48, 137.05)    2.13                 5
 05/22/2021   11:24:58   ( -79.32,  84.29) 05/22/2021   11:24:14  ( -79.31,  84.22)    1.64                44
 05/22/2021   12:14:16   (  79.61,-106.07) 05/22/2021   12:14:49  (  79.62,-106.00)    1.47                33
 05/25/2021   03:41:22   ( -79.48,-158.73) 05/25/2021   03:41:06  ( -79.49,-158.61)    2.78                16