Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 12 20.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 12/20/2013   19:06:56   (  49.96, -92.66) 12/20/2013   19:03:25    (  49.65, -94.49)  136.44            211
 12/20/2013   20:45:49   (  49.96,-117.38) 12/20/2013   20:44:53    (  49.53,-119.82)  181.73             56
 12/23/2013   08:34:48   (  23.17,-101.25) 12/23/2013   08:27:20    (  23.20,-101.28)    4.86            448
 12/23/2013   10:11:10   (  32.26,-123.67) 12/23/2013   10:06:13    (  32.38,-124.19)   51.13            297
 12/26/2013   07:19:24   (  49.90, -76.10) 12/26/2013   07:22:32    (  50.29, -78.20)  155.36            188
 12/26/2013   08:58:17   (  49.91,-100.82) 12/26/2013   09:03:59    (  50.46,-103.49)  199.80            342
 12/28/2013   18:17:35   (  49.95, -80.31) 12/28/2013   18:12:51    (  49.68, -81.83)  113.14            284
 12/28/2013   19:56:29   (  50.00,-105.05) 12/28/2013   19:54:20    (  49.63,-107.18)  158.29            129
 12/28/2013   21:31:13   (  35.14,-124.68) 12/28/2013   21:31:31    (  34.62,-127.16)  233.43             18