Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 4 4.  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)
 04/07/2021   03:41:35   ( -79.40,-159.32) 04/07/2021   03:40:59  ( -79.41,-159.33)    0.21                36
 04/07/2021   04:30:55   (  79.63,   9.86) 04/07/2021   04:31:37  (  79.62,   9.77)    1.96                42
 04/09/2021   19:58:00   ( -79.54, -42.51) 04/09/2021   19:57:49  ( -79.54, -42.43)    1.58                11
 04/09/2021   20:47:21   (  79.72, 126.42) 04/09/2021   20:48:28  (  79.72, 126.41)    0.23                67
 04/12/2021   11:25:04   (  79.39, -95.29) 04/12/2021   11:24:01  (  79.40, -95.15)    2.96                63
 04/12/2021   12:14:28   ( -79.52,  73.22) 04/12/2021   12:14:43  ( -79.51,  73.10)    2.56                15
 04/15/2021   03:41:32   (  79.40,  20.66) 04/15/2021   03:40:55  (  79.40,  20.63)    0.59                37
 04/15/2021   04:30:53   ( -79.64,-170.02) 04/15/2021   04:31:33  ( -79.64,-170.01)    0.44                40
 04/17/2021   19:57:56   (  79.56, 137.61) 04/17/2021   19:57:44  (  79.56, 137.75)    2.90                12