Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 11 6.  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)
 11/07/2021   07:48:05   ( -78.65,-141.57) 11/07/2021   07:49:19  ( -78.91,-140.54)   36.23                74
 11/07/2021   08:35:27   (  68.96,  53.10) 11/07/2021   08:35:29  (  68.96,  53.12)    0.63                 2
 11/07/2021   09:24:49   ( -64.57,-134.53) 11/07/2021   09:23:36  ( -64.58,-134.57)    1.95                73
 11/10/2021   00:51:56   (  69.67, 168.05) 11/10/2021   00:52:11  (  69.67, 168.07)    0.73                15
 11/10/2021   01:41:39   ( -66.44, -20.50) 11/10/2021   01:40:38  ( -66.43, -20.46)    1.81                61
 11/12/2021   17:08:21   (  70.11, -76.66) 11/12/2021   17:08:49  (  70.11, -76.67)    0.48                28
 11/12/2021   17:58:04   ( -66.88,  94.96) 11/12/2021   17:57:16  ( -66.88,  94.95)    0.38                48
 11/15/2021   09:24:56   (  71.07,  37.72) 11/15/2021   09:25:36  (  71.06,  37.78)    2.35                40
 11/15/2021   10:14:42   ( -68.03,-150.47) 11/15/2021   10:14:06  ( -68.02,-150.44)    1.28                36
 11/18/2021   01:41:13   (  71.09, 153.64) 11/18/2021   01:42:06  (  71.10, 153.60)    1.66                53