Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 20.  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,  84.20) 04/20/2021   11:24:00  ( -79.31,  84.21)    0.21                64
 04/20/2021   12:14:24   (  79.53,-106.65) 04/20/2021   12:14:38  (  79.53,-106.75)    2.11                14
 04/23/2021   03:41:30   ( -79.38,-159.44) 04/23/2021   03:40:52  ( -79.37,-159.52)    1.81                38
 04/23/2021   04:30:48   (  79.67,  10.25) 04/23/2021   04:31:27  (  79.68,  10.36)    2.33                39
 04/25/2021   19:57:56   ( -79.45, -43.12) 04/25/2021   19:57:44  ( -79.43, -43.26)    3.06                12
 04/25/2021   20:47:14   (  79.73, 126.57) 04/25/2021   20:48:19  (  79.74, 126.62)    1.09                65
 04/28/2021   11:24:59   (  79.33, -95.63) 04/28/2021   11:23:55  (  79.34, -95.57)    1.29                64
 04/28/2021   12:14:19   ( -79.62,  73.94) 04/28/2021   12:14:32  ( -79.62,  74.08)    2.84                13
 05/01/2021   03:41:23   (  79.42,  20.84) 05/01/2021   03:40:45  (  79.43,  20.91)    1.39                38
 05/01/2021   04:30:44   ( -79.66,-169.82) 05/01/2021   04:31:23  ( -79.68,-169.67)    3.11                39
 05/03/2021   19:57:48   (  79.50, 137.27) 05/03/2021   19:57:36  (  79.51, 137.38)    2.24                12