Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 3 26.  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)
 03/27/2019   19:58:25   (  79.61, 138.07) 03/27/2019   19:58:06  (  79.62, 138.17)    2.27                19
 03/27/2019   20:47:47   ( -79.80, -52.91) 03/27/2019   20:48:46  ( -79.79, -53.00)    1.96                59
 03/30/2019   11:25:35   ( -79.42,  84.96) 03/30/2019   11:24:21  ( -79.42,  84.98)    0.41                74
 03/30/2019   12:14:53   (  79.72,-105.28) 03/30/2019   12:14:56  (  79.72,-105.13)    3.01                 3
 04/02/2019   03:42:02   ( -79.53,-158.43) 04/02/2019   03:41:10  ( -79.53,-158.35)    1.61                52
 04/02/2019   04:31:24   (  79.67,  10.27) 04/02/2019   04:31:50  (  79.67,  10.16)    2.39                26
 04/04/2019   19:58:31   ( -79.59, -42.09) 04/04/2019   19:58:01  ( -79.60, -41.94)    3.10                30
 04/04/2019   20:47:52   (  79.77, 126.89) 04/04/2019   20:48:40  (  79.77, 126.84)    1.06                48
 04/07/2019   12:15:01   ( -79.62,  73.97) 04/07/2019   12:14:54  ( -79.61,  73.90)    1.53                 7