Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 10 16.  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,  31.48) 10/16/2021   02:51:54  (  79.15,  31.36)    2.72                22
 10/16/2021   03:41:35   ( -79.47,-158.84) 10/16/2021   03:42:30  ( -79.48,-158.80)    0.81                55
 10/18/2021   18:19:21   ( -79.04, -20.99) 10/18/2021   18:18:12  ( -79.04, -20.95)    0.70                69
 10/18/2021   19:08:41   (  79.28, 148.10) 10/18/2021   19:08:50  (  79.27, 147.98)    2.91                 9
 10/21/2021   10:35:46   ( -79.16,  95.59) 10/21/2021   10:35:08  ( -79.16,  95.64)    1.07                38
 10/21/2021   11:25:06   (  79.38, -95.30) 10/21/2021   11:25:46  (  79.38, -95.40)    2.21                40
 10/24/2021   02:52:10   ( -79.30,-147.62) 10/24/2021   02:52:03  ( -79.31,-147.51)    2.36                 7
 10/24/2021   03:41:31   (  79.48,  21.25) 10/24/2021   03:42:42  (  79.48,  21.22)    0.65                71
 10/26/2021   18:19:14   (  79.11, 159.41) 10/26/2021   18:18:21  (  79.11, 159.50)    1.85                53
 10/26/2021   19:08:36   ( -79.32, -31.63) 10/26/2021   19:09:01  ( -79.31, -31.71)    1.86                25
 10/29/2021   10:35:40   (  79.15, -84.41) 10/29/2021   10:35:19  (  79.15, -84.47)    1.36                21