Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 20.  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)
 01/21/2021   14:49:47   ( -47.96,  -9.14) 01/21/2021   14:50:21  ( -48.05,  -9.53)   30.52                34
 01/21/2021   15:41:00   (  46.17, 157.45) 01/21/2021   15:40:16  (  46.15, 157.39)    4.38                44
 01/24/2021   07:05:59   ( -48.47, 107.00) 01/24/2021   07:06:41  ( -48.53, 106.55)   34.17                42
 01/24/2021   07:57:23   (  46.04, -86.67) 01/24/2021   07:56:46  (  46.04, -86.76)    6.93                37
 01/26/2021   23:22:13   ( -48.86,-136.90) 01/26/2021   23:23:02  ( -48.95,-137.40)   37.58                49
 01/27/2021   00:13:44   (  46.02,  29.25) 01/27/2021   00:13:14  (  46.04,  29.12)   10.04                30
 01/27/2021   00:42:23   ( -54.29,   0.60) 01/27/2021   00:41:11  ( -54.55,   1.93)   91.24                72
 01/29/2021   15:38:27   ( -49.25, -20.80) 01/29/2021   15:39:23  ( -49.36, -21.35)   40.96                56
 01/29/2021   16:30:05   (  46.01, 145.17) 01/29/2021   16:29:42  (  46.04, 145.01)   13.22                23
 01/29/2021   17:03:36   ( -70.43, 102.05) 01/29/2021   17:02:23  ( -70.76, 103.98)   80.04                73
 02/01/2021   07:54:40   ( -49.64,  95.30) 02/01/2021   07:55:43  ( -49.76,  94.71)   44.26                63
 02/01/2021   08:46:24   (  46.05, -98.88) 02/01/2021   08:46:08  (  46.09, -99.09)   16.46                16