Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2019 9 19.  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)
 09/19/2019   19:08:24   ( -79.29, -31.76) 09/19/2019   19:08:12  ( -79.29, -31.72)    0.93                12
 09/19/2019   19:57:45   (  79.48, 137.15) 09/19/2019   19:58:51  (  79.47, 137.00)    3.17                66
 09/22/2019   10:35:33   (  79.03, -85.10) 09/22/2019   10:34:29  (  79.03, -85.20)    2.29                64
 09/22/2019   11:24:51   ( -79.40,  84.84) 09/22/2019   11:25:04  ( -79.40,  84.86)    0.39                13
 09/25/2019   02:52:00   (  79.14,  31.43) 09/25/2019   02:51:21  (  79.13,  31.33)    2.35                39
 09/25/2019   03:41:19   ( -79.47,-158.83) 09/25/2019   03:41:57  ( -79.46,-158.83)    0.16                38
 09/27/2019   19:08:27   (  79.24, 147.95) 09/27/2019   19:08:13  (  79.24, 147.86)    2.08                14
 09/27/2019   19:57:47   ( -79.53, -42.52) 09/27/2019   19:58:50  ( -79.53, -42.52)    0.07                63
 09/30/2019   10:35:34   ( -79.08,  95.17) 09/30/2019   10:34:27  ( -79.09,  95.24)    1.57                67
 09/30/2019   11:24:53   (  79.34, -95.54) 09/30/2019   11:25:04  (  79.34, -95.61)    1.47                11
 10/03/2019   02:52:00   ( -79.22,-148.10) 10/03/2019   02:51:18  ( -79.22,-148.00)    2.19                42