Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 1 29.  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)
 01/29/2021   15:38:20   ( -49.62, -20.64) 01/29/2021   15:39:23  ( -49.73, -21.22)   43.38                63
 01/29/2021   16:30:04   (  46.04, 145.19) 01/29/2021   16:29:48  (  46.07, 144.99)   15.53                16
 01/29/2021   17:08:15   ( -81.19,  44.22) 01/29/2021   17:07:02  ( -81.76,  44.56)   63.36                73
 02/01/2021   07:54:31   ( -50.19,  95.55) 02/01/2021   07:55:43  ( -50.32,  94.91)   47.49                72
 02/01/2021   08:46:25   (  46.02, -98.89) 02/01/2021   08:46:18  (  46.07, -99.13)   19.36                 7
 02/01/2021   09:30:41   ( -68.03,  83.26) 02/01/2021   09:29:27  ( -68.18,  82.53)   34.62                74
 02/04/2021   01:02:44   (  46.12,  17.08) 02/04/2021   01:02:46  (  46.19,  16.79)   23.38                 2
 02/04/2021   01:52:46   ( -48.74,-174.54) 02/04/2021   01:51:33  ( -48.73,-174.59)    4.45                73
 02/06/2021   17:18:54   (  46.68, 133.23) 02/06/2021   17:19:05  (  46.78, 132.89)   28.05                11
 02/06/2021   18:09:53   ( -46.03, -59.73) 02/06/2021   18:08:47  ( -46.06, -59.75)    3.90                66
 02/09/2021   09:35:05   (  47.24,-110.61) 02/09/2021   09:35:26  (  47.30,-111.03)   32.27                21
 02/09/2021   10:26:14   ( -46.01,  56.20) 02/09/2021   10:25:17  ( -46.04,  56.12)    6.71                57
 02/12/2021   01:51:17   (  47.74,   5.52) 02/12/2021   01:51:47  (  47.81,   5.05)   36.45                30