Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 3 11.  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)
 03/11/2021   11:25:04   (  79.41, -95.11) 03/11/2021   11:24:12  (  79.41, -95.15)    0.98                52
 03/11/2021   12:14:24   ( -79.68,  74.39) 03/11/2021   12:14:49  ( -79.68,  74.42)    0.47                25
 03/14/2021   03:41:32   (  79.46,  21.12) 03/14/2021   03:41:05  (  79.46,  21.03)    1.90                27
 03/14/2021   04:30:52   ( -79.73,-169.33) 03/14/2021   04:31:42  ( -79.73,-169.36)    0.68                50
 03/16/2021   19:57:59   (  79.55, 137.60) 03/16/2021   19:57:57  (  79.54, 137.49)    2.33                 2
 03/16/2021   20:46:48   ( -80.80, -43.27) 03/16/2021   20:48:02  ( -80.65, -42.83)   19.20                74
 03/19/2021   11:25:06   ( -79.41,  84.88) 03/19/2021   11:24:11  ( -79.41,  84.87)    0.37                55
 03/19/2021   12:14:26   (  79.63,-105.95) 03/19/2021   12:14:49  (  79.62,-106.05)    2.24                23
 03/22/2021   03:41:32   ( -79.49,-158.69) 03/22/2021   03:41:02  ( -79.49,-158.69)    0.15                30
 03/22/2021   04:30:52   (  79.71,  10.48) 03/22/2021   04:31:40  (  79.70,  10.41)    1.62                48
 03/24/2021   19:57:59   ( -79.57, -42.29) 03/24/2021   19:57:54  ( -79.57, -42.24)    1.18                 5