Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 8.  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)
 11/10/2021   00:51:56   (  69.67, 168.05) 11/10/2021   00:52:11  (  69.66, 168.07)    0.85                15
 11/10/2021   01:41:39   ( -66.44, -20.50) 11/10/2021   01:40:38  ( -66.43, -20.46)    1.82                61
 11/12/2021   17:08:27   (  70.44, -77.18) 11/12/2021   17:08:55  (  70.43, -77.14)    1.68                28
 11/12/2021   17:58:11   ( -67.27,  94.50) 11/12/2021   17:57:23  ( -67.27,  94.53)    1.56                48
 11/15/2021   09:24:57   (  71.16,  37.57) 11/15/2021   09:25:38  (  71.15,  37.64)    2.67                41
 11/15/2021   10:14:43   ( -68.12,-150.59) 11/15/2021   10:14:08  ( -68.12,-150.56)    1.53                35
 11/18/2021   01:41:11   (  71.12, 153.60) 11/18/2021   01:42:06  (  71.12, 153.56)    1.67                55
 11/18/2021   02:31:13   ( -68.92, -35.70) 11/18/2021   02:30:51  ( -68.92, -35.66)    1.75                22
 11/20/2021   17:57:40   (  71.81, -91.69) 11/20/2021   17:58:48  (  71.82, -91.70)    0.44                68