Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2021 4 18.  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)
 04/20/2021   00:57:51   (  -3.15,   8.95) 04/20/2021   00:48:42    (  -3.07,   8.51)   49.75            549
 04/20/2021   01:46:07   (  -1.41, 177.54) 04/20/2021   01:38:13    (  -1.55, 176.84)   79.53            474
 04/22/2021   16:25:49   (   6.23, -43.48) 04/22/2021   16:15:49    (   6.21, -43.75)   29.27            600
 04/22/2021   17:13:56   (  -1.72, 125.14) 04/22/2021   17:05:11    (  -1.61, 124.62)   59.08            525
 04/22/2021   18:02:12   (  -2.84, -66.28) 04/22/2021   17:54:42    (  -3.01, -67.06)   88.73            450
 04/25/2021   08:41:53   (   4.75,  72.71) 04/25/2021   08:32:17    (   4.70,  72.37)   38.35            576
 04/25/2021   09:30:00   (  -0.23,-118.67) 04/25/2021   09:21:39    (  -0.09,-119.26)   68.39            501
 04/25/2021   10:18:16   (  -4.32,  49.92) 04/25/2021   10:11:10    (  -4.52,  49.06)   97.84            426
 04/28/2021   00:57:58   (   3.33,-171.10) 04/28/2021   00:48:46    (   3.24,-171.52)   47.72            552
 04/28/2021   01:46:03   (   1.25,  -2.47) 04/28/2021   01:38:07    (   1.37,  -3.16)   77.79            476
 04/30/2021   16:26:21   (  -8.58, 136.03) 04/30/2021   16:16:21    (  -8.63, 135.74)   32.16            600
 04/30/2021   17:14:01   (   1.87, -54.91) 04/30/2021   17:05:13    (   1.73, -55.41)   57.22            528
 04/30/2021   18:02:07   (   2.71, 113.72) 04/30/2021   17:54:35    (   2.88, 112.96)   87.01            452