Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2018 4 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)
 04/22/2018   16:33:12   ( -29.98, 131.01) 04/22/2018   16:23:12    ( -30.35, 130.30)   80.31            600
 04/22/2018   17:15:10   (   2.72, -55.13) 04/22/2018   17:06:08    (   2.62, -55.70)   65.10            542
 04/22/2018   18:03:18   (   1.79, 113.49) 04/22/2018   17:55:31    (   1.94, 112.65)   94.78            467
 04/25/2018   08:42:55   (  -5.67,-107.49) 04/25/2018   08:33:05    (  -5.59,-107.90)   45.54            590
 04/25/2018   09:31:08   (   0.99,  61.13) 04/25/2018   09:22:34    (   0.87,  60.46)   75.64            514
 04/28/2018   00:58:53   (  -3.95,   8.76) 04/28/2018   00:49:31    (  -3.85,   8.27)   56.14            562
 04/28/2018   01:47:07   (  -0.67, 177.37) 04/28/2018   01:39:01    (  -0.81, 176.60)   86.20            486
 04/30/2018   16:31:03   (  22.49, -47.12) 04/30/2018   16:21:03    (  22.53, -47.67)   56.14            600
 04/30/2018   17:14:50   (  -2.23, 125.01) 04/30/2018   17:05:56    (  -2.10, 124.43)   66.78            534
 04/30/2018   18:03:04   (  -2.39, -66.38) 04/30/2018   17:55:26    (  -2.55, -67.24)   96.63            458
 05/03/2018   08:42:41   (   5.09,  72.64) 05/03/2018   08:33:00    (   5.00,  72.22)   47.51            581
 05/03/2018   09:30:49   (  -0.58,-118.75) 05/03/2018   09:22:23    (  -0.42,-119.43)   77.50            506