Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2021 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)
 04/22/2021   16:25:48   (   6.19, -43.47) 04/22/2021   16:15:48    (   6.17, -43.74)   29.21            600
 04/22/2021   17:13:56   (  -1.73, 125.14) 04/22/2021   17:05:11    (  -1.62, 124.62)   59.12            525
 04/22/2021   18:02:11   (  -2.88, -66.27) 04/22/2021   17:54:41    (  -3.06, -67.04)   88.69            450
 04/25/2021   08:41:53   (   4.77,  72.71) 04/25/2021   08:32:17    (   4.71,  72.37)   38.38            576
 04/25/2021   09:30:00   (  -0.25,-118.67) 04/25/2021   09:21:39    (  -0.10,-119.27)   68.48            501
 04/25/2021   10:18:16   (  -4.30,  49.92) 04/25/2021   10:11:10    (  -4.51,  49.06)   97.93            426
 04/28/2021   00:57:57   (   3.30,-171.10) 04/28/2021   00:48:45    (   3.20,-171.51)   47.75            552
 04/28/2021   01:46:03   (   1.28,  -2.46) 04/28/2021   01:38:07    (   1.41,  -3.15)   77.79            476
 04/30/2021   16:26:12   (  -8.07, 136.14) 04/30/2021   16:16:12    (  -8.12, 135.86)   31.68            600
 04/30/2021   17:13:59   (   1.78, -54.89) 04/30/2021   17:05:12    (   1.69, -55.40)   57.24            527
 04/30/2021   18:02:07   (   2.68, 113.72) 04/30/2021   17:54:35    (   2.86, 112.95)   87.17            452
 05/03/2021   08:41:48   (  -4.93,-107.30) 05/03/2021   08:32:10    (  -4.85,-107.62)   36.86            578
 05/03/2021   09:30:03   (   0.33,  61.30) 05/03/2021   09:21:40    (   0.19,  60.72)   66.71            503
 05/03/2021   10:18:10   (   4.19,-130.08) 05/03/2021   10:11:03    (   4.36,-130.93)   96.43            427