Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 6 18.  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   19:08:25   ( -79.28, -31.79) 06/20/2021   19:07:42  ( -79.28, -31.87)    1.72                43
 06/20/2021   19:57:43   (  79.59, 137.92) 06/20/2021   19:58:17  (  79.59, 137.97)    1.10                34
 06/23/2021   11:24:51   ( -79.41,  84.91) 06/23/2021   11:24:36  ( -79.40,  84.82)    2.00                15
 06/23/2021   12:14:10   (  79.67,-105.62) 06/23/2021   12:15:12  (  79.67,-105.58)    1.09                62
 06/26/2021   02:51:55   (  79.28,  32.35) 06/26/2021   02:50:50  (  79.29,  32.44)    1.97                65
 06/26/2021   03:41:17   ( -79.49,-158.67) 06/26/2021   03:41:30  ( -79.48,-158.75)    1.78                13
 06/28/2021   19:08:21   (  79.40, 148.97) 06/28/2021   19:07:44  (  79.41, 149.10)    2.82                37
 06/28/2021   19:57:43   ( -79.60, -42.00) 06/28/2021   19:58:24  ( -79.59, -42.05)    1.10                41
 07/01/2021   11:24:50   (  79.39, -95.20) 07/01/2021   11:24:42  (  79.38, -95.30)    2.26                 8