Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 29.  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)
 07/01/2021   11:24:50   (  79.38, -95.26) 07/01/2021   11:24:42  (  79.37, -95.38)    2.52                 8
 07/01/2021   12:14:09   ( -79.68,  74.52) 07/01/2021   12:15:18  ( -79.68,  74.52)    0.13                69
 07/04/2021   02:51:55   ( -79.30,-147.57) 07/04/2021   02:50:57  ( -79.30,-147.48)    2.17                58
 07/04/2021   03:41:15   (  79.52,  21.58) 07/04/2021   03:41:35  (  79.52,  21.55)    0.62                20
 07/06/2021   19:08:23   ( -79.32, -31.53) 07/06/2021   19:07:54  ( -79.31, -31.63)    2.11                29
 07/06/2021   19:57:40   (  79.65, 138.42) 07/06/2021   19:58:28  (  79.66, 138.50)    1.80                48
 07/09/2021   11:24:47   ( -79.45,  85.25) 07/09/2021   11:24:46  ( -79.46,  85.27)    0.58                 1
 07/09/2021   12:11:50   (  81.61, -53.58) 07/09/2021   12:13:03  (  80.90, -54.77)   80.93                73
 07/12/2021   02:51:51   (  79.34,  32.72) 07/12/2021   02:51:01  (  79.34,  32.82)    2.06                50