Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 12 12.  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)
 12/12/2020   09:54:22   (  46.01,-116.16) 12/12/2020   09:54:17  (  46.02,-116.16)    1.53                 5
 12/12/2020   10:39:33   ( -65.04,  62.65) 12/12/2020   10:38:19  ( -65.12,  62.30)   18.43                74
 12/15/2020   02:10:40   (  46.15,  -0.18) 12/15/2020   02:10:42  (  46.17,  -0.23)    4.09                 2
 12/15/2020   02:58:48   ( -55.27, 171.38) 12/15/2020   02:57:37  ( -55.27, 171.39)    0.75                71
 12/17/2020   18:26:54   (  46.57, 115.91) 12/17/2020   18:27:03  (  46.59, 115.82)    7.79                 9
 12/17/2020   19:15:14   ( -55.00, -72.84) 12/17/2020   19:14:10  ( -54.99, -72.87)    1.67                64
 12/20/2020   10:43:09   (  46.93,-128.02) 12/20/2020   10:43:25  (  46.95,-128.16)   11.40                16
 12/20/2020   11:32:05   ( -53.31,  42.18) 12/20/2020   11:31:07  ( -53.30,  42.18)    0.61                58
 12/23/2020   02:59:23   (  47.35, -11.92) 12/23/2020   02:59:46  (  47.37, -12.12)   15.16                23
 12/23/2020   03:48:54   ( -51.72, 157.32) 12/23/2020   03:48:02  ( -51.72, 157.32)    0.12                52
 12/25/2020   19:15:37   (  47.71, 104.15) 12/25/2020   19:16:06  (  47.77, 103.92)   18.56                29