Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 27.  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)
 05/27/2021   19:08:29   (  79.25, 148.00) 05/27/2021   19:07:24  (  79.25, 147.96)    0.79                65
 05/27/2021   19:57:48   ( -79.56, -42.26) 05/27/2021   19:58:00  ( -79.57, -42.15)    2.42                12
 05/30/2021   11:24:53   (  79.41, -95.06) 05/30/2021   11:24:16  (  79.42, -94.93)    3.08                37
 05/30/2021   12:14:15   ( -79.61,  73.94) 05/30/2021   12:14:56  ( -79.61,  73.94)    0.14                41
 06/02/2021   03:41:19   (  79.49,  21.35) 06/02/2021   03:41:11  (  79.49,  21.40)    0.93                 8
 06/02/2021   04:30:42   ( -79.65,-169.88) 06/02/2021   04:31:52  ( -79.65,-169.99)    2.24                70
 06/04/2021   19:08:24   ( -79.35, -31.39) 06/04/2021   19:07:27  ( -79.35, -31.26)    2.73                57
 06/04/2021   19:57:45   (  79.53, 137.48) 06/04/2021   19:58:06  (  79.53, 137.44)    0.88                21
 06/07/2021   11:24:50   ( -79.42,  84.98) 06/07/2021   11:24:22  ( -79.42,  85.04)    1.24                28
 06/07/2021   12:14:11   (  79.59,-106.15) 06/07/2021   12:15:01  (  79.59,-106.26)    2.27                50
 06/10/2021   02:53:58   (  73.43,  11.34) 06/10/2021   02:52:45  (  73.72,   9.56)   64.65                73