Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 12 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)
 12/14/2019   03:41:27   ( -79.59,-157.91) 12/14/2019   03:41:21  ( -79.59,-157.96)    1.08                 6
 12/14/2019   04:30:46   (  79.85,  11.65) 12/14/2019   04:31:57  (  79.86,  11.73)    1.65                71
 12/16/2019   19:08:34   (  79.40, 148.96) 12/16/2019   19:07:35  (  79.39, 148.87)    1.94                59
 12/16/2019   19:57:53   ( -79.70, -41.25) 12/16/2019   19:58:11  ( -79.70, -41.21)    0.84                18
 12/19/2019   11:24:59   (  79.54, -94.18) 12/19/2019   11:24:24  (  79.54, -94.17)    0.35                35
 12/19/2019   12:14:21   ( -79.73,  74.85) 12/19/2019   12:15:04  ( -79.72,  74.70)    3.17                43
 12/22/2019   03:41:24   (  79.67,  22.67) 12/22/2019   03:41:13  (  79.68,  22.82)    3.12                11
 12/22/2019   04:30:47   ( -79.83,-168.53) 12/22/2019   04:31:54  ( -79.83,-168.55)    0.29                67
 12/24/2019   19:08:33   ( -79.40, -31.01) 12/24/2019   19:07:30  ( -79.39, -31.12)    2.34                63
 12/24/2019   19:57:51   (  79.69, 138.69) 12/24/2019   19:58:05  (  79.69, 138.69)    0.02                14
 12/27/2019   11:24:57   ( -79.57,  86.04) 12/27/2019   11:24:18  ( -79.57,  86.10)    1.38                39