Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2017 8 1.  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)
 08/02/2017   02:51:53   (  79.15,  31.44) 08/02/2017   02:50:50  (  79.15,  31.52)    1.66                63
 08/02/2017   03:41:14   ( -79.35,-159.60) 08/02/2017   03:41:29  ( -79.35,-159.68)    1.78                15
 08/04/2017   19:08:20   (  79.18, 147.51) 08/04/2017   19:07:46  (  79.17, 147.43)    1.75                34
 08/04/2017   19:57:39   ( -79.50, -42.73) 08/04/2017   19:58:22  ( -79.50, -42.67)    1.38                43
 08/07/2017   11:24:44   (  79.36, -95.43) 08/07/2017   11:24:38  (  79.36, -95.35)    1.73                 6
 08/07/2017   12:14:06   ( -79.56,  73.60) 08/07/2017   12:15:18  ( -79.56,  73.54)    1.43                72
 08/10/2017   02:51:51   ( -79.20,-148.22) 08/10/2017   02:50:56  ( -79.21,-148.08)    3.14                55
 08/10/2017   03:41:11   (  79.42,  20.86) 08/10/2017   03:41:34  (  79.42,  20.83)    0.72                23
 08/12/2017   19:08:18   ( -79.26, -31.96) 08/12/2017   19:07:52  ( -79.26, -31.91)    1.24                26
 08/12/2017   19:57:37   (  79.48, 137.13) 08/12/2017   19:58:29  (  79.47, 137.01)    2.64                52
 08/15/2017   10:35:57   (  77.60, -92.28) 08/15/2017   10:34:43  (  77.72, -92.74)   17.23                74