Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 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)
 05/22/2021   11:24:57   ( -79.38,  84.68) 05/22/2021   11:24:12  ( -79.38,  84.77)    2.04                45
 05/22/2021   12:14:18   (  79.56,-106.42) 05/22/2021   12:14:51  (  79.56,-106.49)    1.42                33
 05/25/2021   03:41:24   ( -79.43,-159.08) 05/25/2021   03:41:08  ( -79.43,-159.13)    1.31                16
 05/25/2021   04:30:43   (  79.69,  10.36) 05/25/2021   04:31:44  (  79.69,  10.44)    1.74                61
 05/27/2021   19:08:28   (  79.27, 148.13) 05/27/2021   19:07:23  (  79.27, 148.10)    0.69                65
 05/27/2021   19:57:48   ( -79.55, -42.34) 05/27/2021   19:58:00  ( -79.56, -42.24)    2.37                12
 05/30/2021   11:24:55   (  79.31, -95.72) 05/30/2021   11:24:19  (  79.31, -95.85)    2.84                36
 05/30/2021   12:14:14   ( -79.63,  74.10) 05/30/2021   12:14:55  ( -79.63,  74.12)    0.31                41
 06/02/2021   03:41:18   (  79.50,  21.44) 06/02/2021   03:41:10  (  79.51,  21.53)    1.99                 8