Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2018 1 21.  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)
 01/22/2018   00:09:57   (   7.24,-159.57) 01/21/2018   23:59:57    (   7.28,-159.88)   34.16            600
 01/22/2018   00:57:49   (  -1.80,   9.25) 01/22/2018   00:49:03    (  -1.71,   8.70)   61.43            526
 01/22/2018   01:46:05   (  -2.74, 177.84) 01/22/2018   01:38:33    (  -2.94, 177.04)   91.22            452
 01/24/2018   16:25:52   (   5.05, -43.23) 01/24/2018   16:16:11    (   4.96, -43.58)   40.22            581
 01/24/2018   17:13:59   (  -0.53, 125.40) 01/24/2018   17:05:34    (  -0.40, 124.78)   70.73            505
 01/27/2018   08:42:01   (   3.72,  72.94) 01/27/2018   08:32:42    (   3.65,  72.49)   49.67            559
 01/27/2018   09:30:09   (   0.74,-118.45) 01/27/2018   09:22:05    (   0.92,-119.15)   80.20            484
 01/30/2018   00:16:16   ( -29.95,  15.16) 01/30/2018   00:06:16    ( -30.01,  14.60)   54.30            600
 01/30/2018   00:58:11   (   2.47,-170.92) 01/30/2018   00:49:13    (   2.34,-171.43)   59.15            538
 01/30/2018   01:46:17   (   2.12,  -2.28) 01/30/2018   01:38:35    (   2.29,  -3.07)   89.44            462
 02/01/2018   16:26:03   (  -5.70, 136.65) 02/01/2018   16:16:12    (  -5.62, 136.31)   38.53            591
 02/01/2018   17:14:19   (   1.16, -54.76) 02/01/2018   17:05:43    (   1.03, -55.36)   68.63            516
 02/01/2018   18:02:25   (   3.43, 113.88) 02/01/2018   17:55:05    (   3.60, 113.00)   98.81            440
 02/04/2018   08:42:11   (  -4.34,-107.18) 02/04/2018   08:32:42    (  -4.26,-107.60)   48.03            569
 02/04/2018   09:30:27   (  -0.21,  61.41) 02/04/2018   09:22:13    (  -0.33,  60.72)   78.13            494