Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 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)
 01/17/2019   11:24:55   (  79.66, -93.24) 01/17/2019   11:24:50  (  79.66, -93.24)    0.02                 5
 01/17/2019   12:14:15   ( -79.91,  76.37) 01/17/2019   12:15:27  ( -79.92,  76.52)    2.93                72
 01/20/2019   02:52:01   ( -79.56,-145.73) 01/20/2019   02:51:03  ( -79.56,-145.60)    2.76                58
 01/20/2019   03:41:22   (  79.73,  23.22) 01/20/2019   03:41:42  (  79.73,  23.19)    0.68                20
 01/22/2019   19:08:28   ( -79.63, -29.28) 01/22/2019   19:07:55  ( -79.64, -29.18)    2.02                33
 01/22/2019   19:57:50   (  79.77, 139.39) 01/22/2019   19:58:35  (  79.77, 139.34)    1.04                45
 01/25/2019   11:24:56   ( -79.67,  86.88) 01/25/2019   11:24:48  ( -79.68,  86.95)    1.61                 8
 01/25/2019   12:14:17   (  79.84,-104.18) 01/25/2019   12:15:27  (  79.84,-104.24)    1.04                70
 01/28/2019   02:52:02   (  79.50,  33.92) 01/28/2019   02:51:02  (  79.50,  33.92)    0.10                60