Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 18.  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)
 05/19/2021   19:08:32   ( -79.24, -32.07) 05/19/2021   19:07:19  ( -79.24, -32.09)    0.55                73
 05/19/2021   19:57:50   (  79.55, 137.59) 05/19/2021   19:57:54  (  79.55, 137.70)    2.40                 4
 05/22/2021   11:24:57   ( -79.38,  84.72) 05/22/2021   11:24:12  ( -79.39,  84.80)    1.71                45
 05/22/2021   12:14:18   (  79.56,-106.39) 05/22/2021   12:14:51  (  79.56,-106.47)    1.71                33
 05/25/2021   03:41:25   ( -79.40,-159.29) 05/25/2021   03:41:09  ( -79.40,-159.38)    1.87                16
 05/25/2021   04:30:43   (  79.69,  10.40) 05/25/2021   04:31:44  (  79.69,  10.46)    1.16                61
 05/27/2021   19:08:29   (  79.24, 147.92) 05/27/2021   19:07:24  (  79.24, 147.86)    1.51                65
 05/27/2021   19:57:48   ( -79.56, -42.28) 05/27/2021   19:58:00  ( -79.57, -42.21)    1.49                12
 05/30/2021   11:24:53   (  79.40, -95.15) 05/30/2021   11:24:16  (  79.41, -95.04)    2.32                37