Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 16.  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)
 08/16/2021   03:54:21   ( -61.15, -49.90) 08/16/2021   03:54:46  ( -61.15, -49.93)    1.75                25
 08/16/2021   04:42:52   (  53.50, 122.18) 08/16/2021   04:42:04  (  53.51, 122.16)    1.51                48
 08/18/2021   20:11:14   ( -63.13,  64.43) 08/18/2021   20:11:48  ( -63.13,  64.46)    1.45                34
 08/18/2021   20:59:48   (  55.71,-123.07) 08/18/2021   20:59:09  (  55.71,-123.07)    0.25                39
 08/21/2021   12:27:43   ( -63.72, 179.85) 08/21/2021   12:28:27  ( -63.72, 179.85)    0.14                44
 08/21/2021   13:16:41   (  57.68,  -8.31) 08/21/2021   13:16:11  (  57.68,  -8.29)    0.96                30
 08/24/2021   04:44:10   ( -64.21, -64.64) 08/24/2021   04:45:04  ( -64.21, -64.68)    1.99                54
 08/24/2021   05:33:31   (  59.47, 106.46) 08/24/2021   05:33:10  (  59.47, 106.49)    2.09                21
 08/26/2021   21:00:56   ( -65.73,  49.80) 08/26/2021   21:01:59  ( -65.73,  49.81)    0.75                63
 08/26/2021   21:49:54   (  59.74,-137.79) 08/26/2021   21:49:43  (  59.75,-137.81)    1.23                11
 08/29/2021   13:17:18   ( -65.99, 165.46) 08/29/2021   13:18:31  ( -66.00, 165.43)    1.67                73
 08/29/2021   14:06:37   (  61.19, -22.90) 08/29/2021   14:06:35  (  61.19, -22.91)    0.43                 2