Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 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)
 04/20/2021   11:25:04   ( -79.31,  84.22) 04/20/2021   11:24:00  ( -79.31,  84.23)    0.16                64
 04/20/2021   12:14:24   (  79.54,-106.63) 04/20/2021   12:14:38  (  79.53,-106.73)    2.13                14
 04/23/2021   03:41:31   ( -79.35,-159.67) 04/23/2021   03:40:53  ( -79.34,-159.76)    2.03                38
 04/23/2021   04:30:48   (  79.68,  10.27) 04/23/2021   04:31:27  (  79.68,  10.37)    2.13                39
 04/25/2021   19:57:54   ( -79.53, -42.56) 04/25/2021   19:57:41  ( -79.54, -42.43)    2.84                13
 04/25/2021   20:47:15   (  79.70, 126.33) 04/25/2021   20:48:20  (  79.71, 126.36)    0.64                65
 04/28/2021   11:25:00   (  79.30, -95.83) 04/28/2021   11:23:56  (  79.31, -95.81)    0.45                64
 04/28/2021   12:14:20   ( -79.59,  73.73) 04/28/2021   12:14:33  ( -79.59,  73.83)    1.98                13
 05/01/2021   03:41:24   (  79.39,  20.65) 05/01/2021   03:40:46  (  79.39,  20.66)    0.08                38