Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 11 20.  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)
 11/22/2021   09:47:21   (  76.14, -85.21) 11/22/2021   09:46:08  (  76.31, -86.36)   35.59                73
 11/22/2021   10:35:32   ( -79.49,  97.88) 11/22/2021   10:35:34  ( -79.49,  97.80)    1.62                 2
 11/25/2021   02:02:37   (  79.33,  45.03) 11/25/2021   02:01:46  (  79.33,  44.99)    0.82                51
 11/25/2021   02:51:57   ( -79.61,-145.45) 11/25/2021   02:52:23  ( -79.61,-145.45)    0.31                26
 11/27/2021   18:19:01   (  79.47, 161.87) 11/27/2021   18:18:34  (  79.48, 161.96)    1.96                27
 11/27/2021   19:08:21   ( -79.74, -28.54) 11/27/2021   19:09:11  ( -79.75, -28.40)    2.87                50
 11/30/2021   10:35:26   (  79.53, -81.84) 11/30/2021   10:35:24  (  79.53, -81.87)    0.81                 2
 11/30/2021   11:24:08   ( -80.98,  99.72) 11/30/2021   11:25:22  ( -80.79, 100.20)   22.26                74
 12/03/2021   02:02:33   ( -79.33,-134.96) 12/03/2021   02:01:38  ( -79.33,-135.00)    0.84                55