Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 6.  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)
 07/06/2021   19:08:22   ( -79.34, -31.43) 07/06/2021   19:07:53  ( -79.33, -31.52)    2.10                29
 07/06/2021   19:57:40   (  79.64, 138.30) 07/06/2021   19:58:28  (  79.64, 138.38)    1.58                48
 07/09/2021   11:24:47   ( -79.47,  85.36) 07/09/2021   11:24:46  ( -79.47,  85.39)    0.57                 1
 07/09/2021   12:11:52   (  81.63, -54.14) 07/09/2021   12:13:05  (  80.93, -55.28)   80.12                73
 07/12/2021   02:51:52   (  79.33,  32.63) 07/12/2021   02:51:02  (  79.33,  32.73)    2.08                50
 07/12/2021   03:41:14   ( -79.53,-158.38) 07/12/2021   03:41:42  ( -79.52,-158.49)    2.56                28
 07/14/2021   19:08:19   (  79.37, 148.84) 07/14/2021   19:07:58  (  79.37, 148.82)    0.32                21
 07/14/2021   19:57:39   ( -79.65, -41.61) 07/14/2021   19:58:35  ( -79.65, -41.55)    1.33                56
 07/17/2021   10:35:25   ( -79.20,  95.94) 07/17/2021   10:34:15  ( -79.20,  95.93)    0.21                70