Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 19.  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)
 06/20/2021   19:08:24   ( -79.30, -31.67) 06/20/2021   19:07:41  ( -79.29, -31.75)    1.67                43
 06/20/2021   19:57:42   (  79.60, 138.05) 06/20/2021   19:58:16  (  79.61, 138.10)    1.10                34
 06/23/2021   11:24:51   ( -79.38,  84.77) 06/23/2021   11:24:36  ( -79.38,  84.68)    1.85                15
 06/23/2021   12:14:09   (  79.68,-105.49) 06/23/2021   12:15:11  (  79.69,-105.44)    1.19                62
 06/26/2021   02:51:55   (  79.30,  32.47) 06/26/2021   02:50:50  (  79.31,  32.58)    2.28                65
 06/26/2021   03:41:17   ( -79.50,-158.55) 06/26/2021   03:41:30  ( -79.50,-158.61)    1.47                13
 06/28/2021   19:08:24   (  79.30, 148.33) 06/28/2021   19:07:48  (  79.29, 148.20)    3.01                36
 06/28/2021   19:57:44   ( -79.58, -42.15) 06/28/2021   19:58:25  ( -79.58, -42.17)    0.55                41
 07/01/2021   11:24:49   (  79.41, -95.07) 07/01/2021   11:24:41  (  79.41, -95.14)    1.36                 8