Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 5.  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)
 09/06/2019   10:35:31   (  79.08, -84.85) 09/06/2019   10:34:29  (  79.07, -84.91)    1.39                62
 09/06/2019   11:24:49   ( -79.43,  85.07) 09/06/2019   11:25:04  ( -79.44,  85.17)    2.16                15
 09/09/2019   02:51:55   (  79.22,  31.90) 09/09/2019   02:51:19  (  79.22,  31.93)    0.85                36
 09/09/2019   03:41:16   ( -79.46,-158.89) 09/09/2019   03:41:58  ( -79.45,-158.99)    2.12                42
 09/11/2019   19:08:22   (  79.27, 148.13) 09/11/2019   19:08:13  (  79.26, 148.00)    2.80                 9
 09/11/2019   19:57:41   ( -79.59, -42.10) 09/11/2019   19:58:49  ( -79.59, -42.08)    0.58                68
 09/14/2019   10:35:30   ( -79.05,  95.02) 09/14/2019   10:34:30  ( -79.05,  94.94)    1.81                60
 09/14/2019   11:24:47   (  79.40, -95.16) 09/14/2019   11:25:04  (  79.40, -95.14)    0.56                17
 09/17/2019   02:51:53   ( -79.26,-147.83) 09/17/2019   02:51:19  ( -79.26,-147.74)    1.82                34
 09/17/2019   03:41:14   (  79.44,  21.01) 09/17/2019   03:41:58  (  79.43,  20.91)    1.99                44
 09/19/2019   19:08:19   ( -79.30, -31.68) 09/19/2019   19:08:12  ( -79.30, -31.70)    0.39                 7