Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 1 27.  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)
 01/28/2019   02:52:06   (  79.46,  33.61) 01/28/2019   02:51:03  (  79.46,  33.55)    1.24                63
 01/28/2019   03:41:26   ( -79.73,-156.83) 01/28/2019   03:41:40  ( -79.73,-156.82)    0.33                14
 01/30/2019   19:08:32   (  79.59, 150.44) 01/30/2019   19:07:53  (  79.59, 150.46)    0.50                39
 01/30/2019   19:57:53   ( -79.82, -40.22) 01/30/2019   19:58:31  ( -79.83, -40.13)    1.70                38
 02/02/2019   11:24:58   (  79.69, -93.01) 02/02/2019   11:24:43  (  79.69, -92.89)    2.53                15
 02/02/2019   12:14:22   ( -79.81,  75.55) 02/02/2019   12:15:25  ( -79.80,  75.40)    2.98                63
 02/05/2019   02:52:07   ( -79.49,-146.17) 02/05/2019   02:50:59  ( -79.49,-146.17)    0.09                68
 02/05/2019   03:41:27   (  79.70,  22.98) 02/05/2019   03:41:37  (  79.70,  22.91)    1.50                10
 02/07/2019   19:08:33   ( -79.62, -29.40) 02/07/2019   19:07:49  ( -79.62, -29.28)    2.45                44
 02/07/2019   19:57:53   (  79.82, 139.78) 02/07/2019   19:58:27  (  79.82, 139.84)    1.22                34
 02/10/2019   11:25:02   ( -79.63,  86.55) 02/10/2019   11:24:43  ( -79.62,  86.50)    1.18                19