Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 26.  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)
 04/28/2021   11:24:59   (  79.33, -95.67) 04/28/2021   11:23:55  (  79.33, -95.62)    1.08                64
 04/28/2021   12:14:19   ( -79.60,  73.87) 04/28/2021   12:14:32  ( -79.61,  74.00)    2.76                13
 05/01/2021   03:41:24   (  79.42,  20.82) 05/01/2021   03:40:46  (  79.42,  20.87)    1.10                38
 05/01/2021   04:30:44   ( -79.69,-169.60) 05/01/2021   04:31:23  ( -79.70,-169.46)    2.91                39
 05/03/2021   19:57:48   (  79.50, 137.27) 05/03/2021   19:57:36  (  79.51, 137.35)    1.81                12
 05/03/2021   20:47:11   ( -79.66, -53.92) 05/03/2021   20:48:17  ( -79.66, -54.05)    2.67                66
 05/06/2021   11:24:55   ( -79.29,  84.10) 05/06/2021   11:23:52  ( -79.29,  84.08)    0.37                63
 05/06/2021   12:14:12   (  79.61,-106.04) 05/06/2021   12:14:26  (  79.62,-105.88)    3.21                14
 05/09/2021   03:41:19   ( -79.40,-159.27) 05/09/2021   03:40:42  ( -79.41,-159.20)    1.78                37