Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 2 3.  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)
 02/04/2021   19:08:28   (  79.39, 148.99) 02/04/2021   19:07:23  (  79.38, 148.86)    2.83                65
 02/04/2021   19:57:47   ( -79.70, -41.21) 02/04/2021   19:57:59  ( -79.70, -41.21)    0.16                12
 02/07/2021   11:24:52   (  79.53, -94.20) 02/07/2021   11:24:13  (  79.52, -94.27)    1.49                39
 02/07/2021   12:14:12   ( -79.79,  75.38) 02/07/2021   12:14:50  ( -79.79,  75.45)    1.41                38
 02/10/2021   03:41:17   (  79.65,  22.60) 02/10/2021   03:41:04  (  79.65,  22.62)    0.43                13
 02/10/2021   04:30:38   ( -79.88,-168.04) 02/10/2021   04:31:42  ( -79.89,-167.89)    3.19                64
 02/12/2021   19:08:25   ( -79.45, -30.61) 02/12/2021   19:07:21  ( -79.45, -30.63)    0.43                64
 02/12/2021   19:57:43   (  79.74, 139.11) 02/12/2021   19:57:56  (  79.75, 139.24)    2.72                13
 02/15/2021   11:24:49   ( -79.61,  86.39) 02/15/2021   11:24:11  ( -79.61,  86.50)    2.32                38