Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 7 29.  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)
 07/31/2021   01:25:44   (  60.85, 167.33) 07/31/2021   01:26:24  (  60.85, 167.35)    1.11                40
 07/31/2021   02:13:52   ( -52.09, -20.08) 07/31/2021   02:13:18  ( -52.09, -20.08)    0.15                34
 08/02/2021   17:42:27   (  62.23, -77.80) 08/02/2021   17:43:17  (  62.22, -77.77)    1.62                50
 08/02/2021   18:30:40   ( -53.77,  95.01) 08/02/2021   18:30:16  ( -53.77,  95.00)    0.96                24
 08/05/2021   09:59:05   (  63.38,  37.17) 08/05/2021   10:00:05  (  63.37,  37.21)    1.83                60
 08/05/2021   10:47:23   ( -55.22,-149.83) 08/05/2021   10:47:09  ( -55.23,-149.86)    1.91                14
 08/08/2021   02:15:41   (  64.36, 152.23) 08/08/2021   02:16:51  (  64.35, 152.26)    1.68                70
 08/08/2021   03:04:29   ( -57.91, -35.49) 08/08/2021   03:04:24  ( -57.91, -35.47)    1.20                 5
 08/10/2021   18:36:41   (  78.43,-123.05) 08/10/2021   18:37:54  (  78.72,-121.63)   44.55                73
 08/10/2021   19:21:06   ( -58.96,  79.77) 08/10/2021   19:21:11  ( -58.96,  79.77)    0.09                 5