Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 17.  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)
 07/17/2021   10:35:43   ( -78.64,  92.66) 07/17/2021   10:34:29  ( -78.69,  92.44)    7.17                74
 07/17/2021   11:24:47   (  79.51, -94.37) 07/17/2021   11:24:50  (  79.51, -94.27)    2.00                 3
 07/20/2021   02:51:56   ( -79.30,-147.55) 07/20/2021   02:51:09  ( -79.30,-147.54)    0.24                47
 07/20/2021   03:41:16   (  79.52,  21.60) 07/20/2021   03:41:47  (  79.52,  21.52)    1.68                31
 07/22/2021   19:08:22   ( -79.43, -30.82) 07/22/2021   19:08:02  ( -79.44, -30.68)    3.09                20
 07/22/2021   19:57:42   (  79.64, 138.35) 07/22/2021   19:58:40  (  79.65, 138.42)    1.45                58
 07/25/2021   10:35:29   (  79.19, -84.13) 07/25/2021   10:34:20  (  79.19, -84.17)    0.90                69
 07/25/2021   11:24:49   ( -79.47,  85.38) 07/25/2021   11:24:57  ( -79.47,  85.38)    0.07                 8
 07/28/2021   02:51:54   (  79.35,  32.78) 07/28/2021   02:51:12  (  79.36,  32.91)    2.85                42
 07/28/2021   03:41:17   ( -79.52,-158.44) 07/28/2021   03:41:53  ( -79.51,-158.57)    2.77                36
 07/30/2021   19:08:21   (  79.43, 149.17) 07/30/2021   19:08:07  (  79.43, 149.20)    0.61                14