Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2021 1 14.  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)
 01/14/2021   11:24:53   ( -79.54,  85.84) 01/14/2021   11:24:13  ( -79.54,  85.88)    0.83                40
 01/14/2021   12:14:14   (  79.72,-105.21) 01/14/2021   12:14:52  (  79.71,-105.34)    2.70                38
 01/17/2021   03:41:21   ( -79.59,-157.88) 01/17/2021   03:41:07  ( -79.59,-157.94)    1.42                14
 01/17/2021   04:30:40   (  79.84,  11.63) 01/17/2021   04:31:43  (  79.85,  11.70)    1.50                63
 01/19/2021   19:08:27   (  79.45, 149.33) 01/19/2021   19:07:21  (  79.45, 149.35)    0.42                66
 01/19/2021   19:57:47   ( -79.72, -41.08) 01/19/2021   19:57:58  ( -79.73, -40.93)    3.19                11
 01/22/2021   11:24:53   (  79.53, -94.19) 01/22/2021   11:24:13  (  79.53, -94.23)    1.03                40
 01/22/2021   12:14:13   ( -79.80,  75.44) 01/22/2021   12:14:50  ( -79.81,  75.53)    1.87                37
 01/25/2021   03:41:21   (  79.58,  22.00) 01/25/2021   03:41:07  (  79.57,  21.91)    1.95                14
 01/25/2021   04:30:41   ( -79.85,-168.34) 01/25/2021   04:31:44  ( -79.85,-168.29)    0.97                63
 01/27/2021   19:08:27   ( -79.48, -30.44) 01/27/2021   19:07:21  ( -79.48, -30.38)    1.25                66