Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 7 15.  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   10:35:44   ( -78.61,  92.53) 07/17/2021   10:34:30  ( -78.66,  92.31)    7.38                74
 07/17/2021   11:24:48   (  79.49, -94.53) 07/17/2021   11:24:51  (  79.49, -94.44)    2.04                 3
 07/20/2021   02:51:57   ( -79.28,-147.70) 07/20/2021   02:51:10  ( -79.28,-147.69)    0.45                47
 07/20/2021   03:41:16   (  79.54,  21.70) 07/20/2021   03:41:47  (  79.53,  21.64)    1.48                31
 07/22/2021   19:08:24   ( -79.33, -31.48) 07/22/2021   19:08:05  ( -79.32, -31.61)    2.91                19
 07/22/2021   19:57:41   (  79.66, 138.46) 07/22/2021   19:58:39  (  79.66, 138.55)    1.94                58
 07/25/2021   10:35:29   (  79.20, -84.03) 07/25/2021   10:34:20  (  79.20, -84.04)    0.09                69
 07/25/2021   11:24:49   ( -79.49,  85.49) 07/25/2021   11:24:57  ( -79.49,  85.52)    0.70                 8
 07/28/2021   02:51:57   (  79.25,  32.12) 07/28/2021   02:51:16  (  79.24,  32.01)    2.25                41