Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 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)
 01/17/2019   11:24:56   (  79.64, -93.33) 01/17/2019   11:24:51  (  79.65, -93.33)    0.22                 5
 01/17/2019   12:14:16   ( -79.90,  76.27) 01/17/2019   12:15:28  ( -79.91,  76.42)    2.95                72
 01/20/2019   02:52:02   ( -79.54,-145.82) 01/20/2019   02:51:04  ( -79.55,-145.69)    2.79                58
 01/20/2019   03:41:23   (  79.72,  23.13) 01/20/2019   03:41:43  (  79.72,  23.10)    0.68                20
 01/22/2019   19:08:28   ( -79.62, -29.38) 01/22/2019   19:07:55  ( -79.63, -29.28)    2.07                33
 01/22/2019   19:57:49   (  79.80, 139.58) 01/22/2019   19:58:34  (  79.79, 139.53)    0.98                45
 01/25/2019   11:24:55   ( -79.69,  87.05) 01/25/2019   11:24:47  ( -79.70,  87.13)    1.70                 8
 01/25/2019   12:14:16   (  79.87,-104.00) 01/25/2019   12:15:26  (  79.86,-104.04)    0.94                70
 01/28/2019   02:52:02   (  79.49,  33.83) 01/28/2019   02:51:02  (  79.49,  33.84)    0.32                60