Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 9 25.  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)    1.57                53
 09/27/2021   11:25:04   ( -79.50,  85.59) 09/27/2021   11:25:28  ( -79.51,  85.66)    1.57                24
 09/30/2021   02:52:12   (  79.29,  32.41) 09/30/2021   02:51:45  (  79.28,  32.32)    1.86                27
 09/30/2021   03:41:30   ( -79.60,-157.81) 09/30/2021   03:42:20  ( -79.61,-157.74)    1.31                50
 10/02/2021   19:08:38   (  79.39, 148.92) 10/02/2021   19:08:37  (  79.38, 148.86)    1.34                 1
 10/02/2021   19:56:24   ( -81.80,  -7.95) 10/02/2021   19:57:37  ( -81.30,  -7.48)   55.56                73
 10/05/2021   10:35:47   ( -79.18,  95.80) 10/05/2021   10:34:55  ( -79.17,  95.70)    2.30                52
 10/05/2021   11:25:05   (  79.48, -94.59) 10/05/2021   11:25:30  (  79.48, -94.60)    0.28                25
 10/08/2021   02:52:13   ( -79.30,-147.53) 10/08/2021   02:51:47  ( -79.30,-147.54)    0.31                26