Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 3 24.  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)
 03/27/2018   11:27:26   ( -74.60,  65.78) 03/27/2018   11:26:13  ( -74.86,  64.03)   58.71                73
 03/27/2018   12:14:59   (  79.69,-105.40) 03/27/2018   12:15:00  (  79.69,-105.39)    0.13                 1
 03/30/2018   03:42:06   ( -79.53,-158.35) 03/30/2018   03:41:17  ( -79.53,-158.35)    0.19                49
 03/30/2018   04:31:24   (  79.81,  11.40) 03/30/2018   04:31:52  (  79.82,  11.55)    3.08                28
 04/01/2018   19:58:33   ( -79.57, -42.14) 04/01/2018   19:58:12  ( -79.57, -42.27)    2.64                21
 04/01/2018   20:47:52   (  79.82, 127.35) 04/01/2018   20:48:48  (  79.82, 127.35)    0.19                56
 04/04/2018   11:25:38   (  79.41, -94.99) 04/04/2018   11:24:27  (  79.41, -95.10)    2.16                71
 04/04/2018   12:14:56   ( -79.72,  74.85) 04/04/2018   12:15:02  ( -79.73,  74.92)    1.51                 6
 04/07/2018   03:42:00   (  79.60,  22.20) 04/07/2018   03:41:16  (  79.61,  22.31)    2.10                44