Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 15.  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)
 10/16/2021   02:52:16   (  79.16,  31.50) 10/16/2021   02:51:54  (  79.15,  31.38)    2.75                22
 10/16/2021   03:41:35   ( -79.48,-158.81) 10/16/2021   03:42:30  ( -79.48,-158.78)    0.77                55
 10/18/2021   18:19:21   ( -79.05, -20.97) 10/18/2021   18:18:12  ( -79.05, -20.93)    0.81                69
 10/18/2021   19:08:41   (  79.28, 148.12) 10/18/2021   19:08:50  (  79.27, 148.00)    2.80                 9
 10/21/2021   10:35:46   ( -79.16,  95.60) 10/21/2021   10:35:08  ( -79.16,  95.66)    1.53                38
 10/21/2021   11:25:06   (  79.39, -95.30) 10/21/2021   11:25:46  (  79.38, -95.38)    1.74                40
 10/24/2021   02:52:13   ( -79.18,-148.38) 10/24/2021   02:52:07  ( -79.17,-148.52)    3.00                 6
 10/24/2021   03:41:30   (  79.52,  21.50) 10/24/2021   03:42:41  (  79.52,  21.52)    0.40                71
 10/26/2021   18:19:16   (  79.02, 158.89) 10/26/2021   18:18:24  (  79.01, 158.78)    2.80                52