Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 28.  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)
 08/29/2021   13:18:11   ( -68.85, 162.03) 08/29/2021   13:19:25  ( -68.89, 162.19)    7.99                74
 08/29/2021   14:06:49   (  61.85, -23.41) 08/29/2021   14:06:49  (  61.84, -23.39)    1.03                 0
 08/29/2021   14:55:05   ( -53.57, 149.20) 08/29/2021   14:53:51  ( -53.55, 149.20)    2.43                74
 09/01/2021   05:43:01   ( -76.22, 158.10) 09/01/2021   05:44:14  ( -76.73, 155.32)   92.50                73
 09/01/2021   06:23:30   (  63.12,  91.48) 09/01/2021   06:23:41  (  63.11,  91.50)    1.40                11
 09/01/2021   07:12:06   ( -56.00, -96.19) 09/01/2021   07:11:03  ( -56.00, -96.18)    0.71                63
 09/03/2021   22:40:07   (  64.22,-153.57) 09/03/2021   22:40:29  (  64.22,-153.54)    1.55                22
 09/03/2021   23:28:52   ( -57.64,  18.77) 09/03/2021   23:28:00  ( -57.64,  18.78)    0.35                52
 09/06/2021   14:56:43   (  65.21, -38.58) 09/06/2021   14:57:16  (  65.21, -38.55)    1.42                33
 09/06/2021   15:45:35   ( -59.04, 133.80) 09/06/2021   15:44:54  ( -59.04, 133.80)    0.17                41
 09/09/2021   07:13:16   (  66.03,  76.52) 09/09/2021   07:14:00  (  66.03,  76.54)    1.01                44