Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2021 4 6.  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)
 04/06/2021   16:25:47   (   5.94, -43.42) 04/06/2021   16:15:51    (   5.89, -43.71)   32.59            596
 04/06/2021   17:13:55   (  -1.47, 125.19) 04/06/2021   17:05:14    (  -1.34, 124.64)   62.73            521
 04/06/2021   18:02:09   (  -3.19, -66.20) 04/06/2021   17:54:44    (  -3.33, -67.02)   92.36            445
 04/09/2021   08:41:52   (   4.52,  72.76) 04/09/2021   08:32:20    (   4.41,  72.40)   42.20            572
 04/09/2021   09:29:58   (   0.06,-118.61) 04/09/2021   09:21:42    (   0.20,-119.24)   72.15            496
 04/12/2021   00:15:52   ( -29.99,  15.16) 04/12/2021   00:05:52    ( -30.62,  14.50)   94.82            600
 04/12/2021   00:57:55   (   2.99,-171.03) 04/12/2021   00:48:48    (   2.88,-171.48)   51.62            547
 04/12/2021   01:46:02   (   1.54,  -2.41) 04/12/2021   01:38:11    (   1.67,  -3.13)   81.68            471
 04/14/2021   16:25:42   (  -6.07, 136.57) 04/14/2021   16:15:45    (  -6.02, 136.29)   31.34            597
 04/14/2021   17:13:58   (   1.52, -54.84) 04/14/2021   17:05:16    (   1.41, -55.38)   61.23            522
 04/14/2021   18:02:05   (   3.00, 113.78) 04/14/2021   17:54:38    (   3.20, 112.98)   91.11            447
 04/17/2021   08:41:45   (  -4.55,-107.22) 04/17/2021   08:32:13    (  -4.49,-107.59)   40.96            572
 04/17/2021   09:30:01   (   0.00,  61.36) 04/17/2021   09:21:44    (  -0.12,  60.74)   70.80            497
 04/20/2021   00:57:48   (  -3.03,   8.98) 04/20/2021   00:48:41    (  -2.96,   8.53)   50.59            547
 04/20/2021   01:46:04   (  -1.51, 177.57) 04/20/2021   01:38:12    (  -1.64, 176.86)   80.35            472