Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 18.  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)
 01/18/2021   22:33:34   ( -47.56,-125.24) 01/18/2021   22:34:01  ( -47.61,-125.59)   26.70                27
 01/18/2021   23:24:42   (  46.05,  41.48) 01/18/2021   23:23:50  (  46.07,  41.48)    1.88                52
 01/21/2021   14:49:48   ( -47.96,  -9.15) 01/21/2021   14:50:22  ( -48.04,  -9.53)   30.32                34
 01/21/2021   15:41:03   (  46.05, 157.40) 01/21/2021   15:40:18  (  46.09, 157.37)    4.71                45
 01/24/2021   07:06:01   ( -48.36, 106.95) 01/24/2021   07:06:42  ( -48.47, 106.52)   33.92                41
 01/24/2021   07:57:23   (  46.04, -86.67) 01/24/2021   07:56:46  (  46.03, -86.77)    7.27                37
 01/26/2021   23:22:15   ( -48.76,-136.95) 01/26/2021   23:23:03  ( -48.88,-137.43)   37.40                48
 01/27/2021   00:13:44   (  46.04,  29.25) 01/27/2021   00:13:14  (  46.04,  29.12)   10.24                30
 01/27/2021   00:42:07   ( -53.37,   1.08) 01/27/2021   00:40:55  ( -53.62,   2.40)   91.63                72
 01/29/2021   15:38:29   ( -49.16, -20.85) 01/29/2021   15:39:24  ( -49.29, -21.37)   40.72                55
 01/29/2021   16:30:05   (  46.03, 145.18) 01/29/2021   16:29:41  (  46.09, 145.03)   13.38                24