Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2018 3 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)
 03/21/2018   17:15:19   (   3.27, -55.22) 03/21/2018   17:06:08    (   3.16, -55.80)   64.87            551
 03/21/2018   18:03:26   (   1.29, 113.40) 03/21/2018   17:55:30    (   1.45, 112.57)   94.66            476
 03/24/2018   08:43:06   (  -6.20,-107.59) 03/24/2018   08:33:06    (  -6.17,-108.00)   45.31            600
 03/24/2018   09:31:22   (   1.71,  60.99) 03/24/2018   09:22:37    (   1.56,  60.33)   75.35            525
 03/27/2018   00:59:09   (  -4.70,   8.61) 03/27/2018   00:49:34    (  -4.57,   8.13)   55.45            575
 03/27/2018   01:47:24   (   0.15, 177.20) 03/27/2018   01:39:05    (  -0.04, 176.45)   85.89            499
 03/29/2018   17:15:11   (  -3.09, 124.84) 03/29/2018   17:06:03    (  -2.98, 124.25)   65.97            548
 03/29/2018   18:03:25   (  -1.53, -66.56) 03/29/2018   17:55:33    (  -1.70, -67.41)   96.23            472
 04/01/2018   08:43:05   (   6.00,  72.44) 04/01/2018   08:33:09    (   5.94,  72.02)   46.74            596
 04/01/2018   09:31:14   (  -1.54,-118.95) 04/01/2018   09:22:32    (  -1.38,-119.62)   76.54            522