Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2013 1 20.  Predictions up to the next  14.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 01/21/2013   09:31:57   (   5.99,  60.01) 01/21/2013   09:22:01    (   5.84,  59.41)   68.67            596
 01/21/2013   10:20:03   (  -1.40,-131.35) 01/21/2013   10:11:23    (  -1.22,-132.22)   98.90            520
 01/24/2013   01:47:46   (   3.84, 176.37) 01/24/2013   01:38:25    (   3.70, 175.64)   82.45            561
 01/26/2013   17:15:18   (  -6.22, 124.15) 01/26/2013   17:05:18    (  -6.15, 123.55)   66.93            600
 01/26/2013   18:03:34   (   1.69, -67.27) 01/26/2013   17:54:49    (   1.53, -68.12)   97.05            525
 01/29/2013   09:31:03   (  -4.03,-119.47) 01/29/2013   09:21:40    (  -3.88,-120.20)   82.00            563
 02/01/2013   00:58:37   (   6.15,-171.67) 02/01/2013   00:48:38    (   6.01,-172.26)   67.74            599
 02/01/2013   01:46:44   (  -1.61,  -3.04) 02/01/2013   01:38:01    (  -1.45,  -3.91)   98.11            523
 02/03/2013   17:14:15   (   3.63, -55.21) 02/03/2013   17:04:58    (   3.48, -55.95)   84.61            557