Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 26.  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)
 09/27/2021   10:35:45   (  79.19, -84.14) 09/27/2021   10:34:52  (  79.18, -84.21)    1.53                53
 09/27/2021   11:25:03   ( -79.54,  85.85) 09/27/2021   11:25:27  ( -79.54,  85.93)    1.61                24
 09/30/2021   02:52:12   (  79.29,  32.40) 09/30/2021   02:51:45  (  79.28,  32.32)    1.74                27
 09/30/2021   03:41:30   ( -79.60,-157.82) 09/30/2021   03:42:20  ( -79.61,-157.75)    1.43                50
 10/02/2021   19:08:38   (  79.38, 148.91) 10/02/2021   19:08:37  (  79.38, 148.86)    1.12                 1
 10/02/2021   19:56:22   ( -81.81,  -7.13) 10/02/2021   19:57:35  ( -81.30,  -6.72)   56.65                73
 10/05/2021   10:35:47   ( -79.17,  95.77) 10/05/2021   10:34:55  ( -79.17,  95.68)    1.97                52
 10/05/2021   11:25:04   (  79.51, -94.36) 10/05/2021   11:25:29  (  79.51, -94.34)    0.38                25
 10/08/2021   02:52:12   ( -79.33,-147.32) 10/08/2021   02:51:46  ( -79.33,-147.31)    0.26                26