Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 5 5.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 05/06/2021   04:46:24   ( -59.20, 147.50) 05/06/2021   04:47:36  ( -59.49, 146.05)   88.05                72
 05/06/2021   05:16:31   (  46.07, 115.84) 05/06/2021   05:16:58  (  46.12, 116.04)   16.64                27
 05/06/2021   06:08:04   ( -49.02, -78.06) 05/06/2021   06:07:12  ( -49.11, -77.47)   43.92                52
 05/08/2021   21:32:51   (  46.10,-128.24) 05/08/2021   21:33:26  (  46.13,-128.08)   12.63                35
 05/08/2021   22:24:14   ( -48.48,  38.11) 05/08/2021   22:23:31  ( -48.58,  38.62)   39.46                43
 05/11/2021   13:49:09   (  46.08, -12.29) 05/11/2021   13:49:52  (  46.10, -12.18)    8.65                43
 05/11/2021   14:40:25   ( -48.06, 154.23) 05/11/2021   14:39:50  ( -48.13, 154.69)   35.20                35
 05/14/2021   06:05:28   (  46.07, 103.65) 05/14/2021   06:06:19  (  46.07, 103.72)    4.80                51
 05/14/2021   06:56:35   ( -47.53, -89.61) 05/14/2021   06:56:09  ( -47.62, -89.22)   30.62                26
 05/16/2021   22:21:52   (  46.35,-140.52) 05/16/2021   22:22:51  (  46.34,-140.50)    1.25                59