Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 5 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)
 05/03/2021   19:57:52   (  79.50, 137.29) 05/03/2021   19:57:43  (  79.50, 137.32)    0.71                 9
 05/03/2021   20:47:12   ( -79.77, -53.13) 05/03/2021   20:48:20  ( -79.78, -52.99)    2.91                68
 05/06/2021   11:24:59   ( -79.31,  84.22) 05/06/2021   11:24:01  ( -79.31,  84.21)    0.09                58
 05/06/2021   12:14:19   (  79.53,-106.66) 05/06/2021   12:14:39  (  79.52,-106.78)    2.69                20
 05/09/2021   03:41:26   ( -79.37,-159.50) 05/09/2021   03:40:57  ( -79.36,-159.63)    2.77                29
 05/09/2021   04:30:44   (  79.66,  10.17) 05/09/2021   04:31:32  (  79.66,  10.21)    1.01                48
 05/11/2021   19:57:50   ( -79.54, -42.48) 05/11/2021   19:57:49  ( -79.54, -42.40)    1.58                 1
 05/11/2021   20:44:47   (  81.49,-178.61) 05/11/2021   20:45:59  (  80.73,-179.79)   86.60                72
 05/14/2021   11:24:57   (  79.30, -95.83) 05/14/2021   11:24:08  (  79.29, -95.93)    2.24                49