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)
 07/09/2021   11:24:47   ( -79.47,  85.39) 07/09/2021   11:24:46  ( -79.47,  85.40)    0.34                 1
 07/09/2021   12:11:54   (  81.65, -54.92) 07/09/2021   12:13:07  (  80.96, -55.98)   79.00                73
 07/12/2021   02:51:52   (  79.33,  32.66) 07/12/2021   02:51:02  (  79.33,  32.73)    1.46                50
 07/12/2021   03:41:15   ( -79.49,-158.61) 07/12/2021   03:41:43  ( -79.48,-158.76)    3.20                28
 07/14/2021   19:08:18   (  79.38, 148.88) 07/14/2021   19:07:57  (  79.37, 148.82)    1.47                21
 07/14/2021   19:57:39   ( -79.62, -41.84) 07/14/2021   19:58:35  ( -79.62, -41.84)    0.29                56
 07/17/2021   10:35:26   ( -79.17,  95.74) 07/17/2021   10:34:16  ( -79.16,  95.65)    2.07                70
 07/17/2021   11:24:42   (  79.54, -94.14) 07/17/2021   11:24:49  (  79.54, -94.03)    2.47                 7
 07/20/2021   02:51:49   ( -79.37,-147.08) 07/20/2021   02:51:07  ( -79.37,-146.99)    1.99                42