Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 23.  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)
 08/24/2021   04:44:11   ( -64.31, -64.74) 08/24/2021   04:45:05  ( -64.31, -64.77)    1.72                54
 08/24/2021   05:33:10   (  58.33, 107.23) 08/24/2021   05:32:50  (  58.33, 107.20)    1.65                20
 08/26/2021   21:00:56   ( -65.78,  49.75) 08/26/2021   21:01:59  ( -65.77,  49.77)    1.05                63
 08/26/2021   21:49:57   (  59.95,-137.93) 08/26/2021   21:49:46  (  59.95,-137.94)    0.67                11
 08/29/2021   13:17:20   ( -66.10, 165.36) 08/29/2021   13:18:33  ( -66.10, 165.33)    1.38                73
 08/29/2021   14:06:41   (  61.40, -23.06) 08/29/2021   14:06:39  (  61.40, -23.06)    0.16                 2
 09/01/2021   05:39:49   ( -81.24,-146.22) 09/01/2021   05:41:02  ( -81.79,-145.73)   62.34                73
 09/01/2021   06:23:21   (  62.62,  91.90) 09/01/2021   06:23:28  (  62.62,  91.91)    0.74                 7
 09/01/2021   07:11:56   ( -55.44, -95.87) 09/01/2021   07:10:49  ( -55.44, -95.86)    0.53                67
 09/03/2021   22:39:58   (  63.73,-153.12) 09/03/2021   22:40:14  (  63.73,-153.09)    1.12                16
 09/03/2021   23:28:41   ( -57.02,  19.15) 09/03/2021   23:27:43  ( -57.02,  19.16)    0.50                58
 09/06/2021   14:56:33   (  64.67, -38.04) 09/06/2021   14:56:58  (  64.66, -38.02)    1.25                25