Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 9.  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)
 06/10/2021   02:53:40   (  74.37,  13.45) 06/10/2021   02:52:27  (  74.62,  11.85)   55.22                73
 06/10/2021   03:41:15   ( -79.52,-158.45) 06/10/2021   03:41:16  ( -79.52,-158.34)    2.56                 1
 06/12/2021   19:08:20   (  79.30, 148.36) 06/12/2021   19:07:33  (  79.30, 148.33)    0.69                47
 06/12/2021   19:57:39   ( -79.61, -41.88) 06/12/2021   19:58:09  ( -79.62, -41.76)    2.57                30
 06/15/2021   11:24:44   (  79.44, -94.87) 06/15/2021   11:24:26  (  79.43, -94.87)    0.24                18
 06/15/2021   12:14:04   ( -79.71,  74.69) 06/15/2021   12:15:03  ( -79.71,  74.83)    3.11                59
 06/18/2021   02:51:51   ( -79.23,-147.99) 06/18/2021   02:50:45  ( -79.22,-148.08)    1.92                66
 06/18/2021   03:41:09   (  79.52,  21.63) 06/18/2021   03:41:20  (  79.53,  21.68)    1.11                11
 06/20/2021   19:08:15   ( -79.35, -31.28) 06/20/2021   19:07:38  ( -79.35, -31.30)    0.47                37