Simultaneous Nadir Overpasses (SNOs) near equator between AQUA and NPP
TLE Epoch: 2021 6 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)
 06/20/2021   07:58:39   (  27.51,  79.91) 06/20/2021   07:48:39    (  27.54,  79.47)   43.20            600
 06/20/2021   08:41:05   (  -2.37,-106.75) 06/20/2021   08:32:09    (  -2.26,-107.17)   48.34            536
 06/20/2021   09:29:19   (  -2.26,  61.85) 06/20/2021   09:21:39    (  -2.40,  61.16)   78.15            460
 06/23/2021   00:08:57   (   5.21,-159.13) 06/22/2021   23:59:14    (   5.15,-159.39)   29.12            583
 06/23/2021   00:57:05   (  -0.70,   9.48) 06/23/2021   00:48:37    (  -0.58,   8.97)   59.09            508
 06/23/2021   01:45:19   (  -3.92, 178.09) 06/23/2021   01:38:07    (  -4.07, 177.30)   88.78            432
 06/25/2021   16:24:57   (   3.49, -42.88) 06/25/2021   16:15:42    (   3.42, -43.24)   39.91            555
 06/25/2021   17:13:05   (   1.02, 125.73) 06/25/2021   17:05:05    (   1.15, 125.12)   69.80            480
 06/25/2021   18:01:19   (  -5.64, -65.66) 06/25/2021   17:54:35    (  -5.81, -66.54)   99.24            404
 06/28/2021   07:53:35   (  -9.53, -95.92) 06/28/2021   07:43:35    (  -9.57, -96.16)   26.40            600
 06/28/2021   08:40:57   (   1.77,  73.36) 06/28/2021   08:32:10    (   1.69,  72.91)   50.75            527
 06/28/2021   09:29:05   (   2.73,-118.02) 06/28/2021   09:21:33    (   2.88,-118.73)   80.49            452
 07/01/2021   00:08:44   (  -4.75,  20.99) 06/30/2021   23:59:09    (  -4.67,  20.71)   31.64            575
 07/01/2021   00:56:58   (   0.13,-170.40) 07/01/2021   00:48:39    (   0.02,-170.95)   61.64            499
 07/01/2021   01:45:06   (   4.38,  -1.79) 07/01/2021   01:38:02    (   4.55,  -2.59)   91.18            424