Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 23.  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)
 04/25/2021   19:57:57   ( -79.41, -43.35) 04/25/2021   19:57:45  ( -79.40, -43.50)    3.15                12
 04/25/2021   20:47:15   (  79.70, 126.35) 04/25/2021   20:48:20  (  79.71, 126.39)    0.97                65
 04/28/2021   11:25:00   (  79.30, -95.82) 04/28/2021   11:23:56  (  79.31, -95.77)    1.13                64
 04/28/2021   12:14:20   ( -79.58,  73.73) 04/28/2021   12:14:33  ( -79.59,  73.85)    2.70                13
 05/01/2021   03:41:24   (  79.40,  20.67) 05/01/2021   03:40:46  (  79.40,  20.72)    1.19                38
 05/01/2021   04:30:44   ( -79.67,-169.74) 05/01/2021   04:31:23  ( -79.68,-169.60)    2.90                39
 05/03/2021   19:57:48   (  79.52, 137.39) 05/03/2021   19:57:36  (  79.52, 137.49)    2.00                12
 05/03/2021   20:47:11   ( -79.68, -53.78) 05/03/2021   20:48:17  ( -79.67, -53.90)    2.54                66
 05/06/2021   11:24:55   ( -79.31,  84.23) 05/06/2021   11:23:52  ( -79.31,  84.23)    0.20                63