Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 25.  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)
 08/26/2021   21:00:56   ( -65.77,  49.76) 08/26/2021   21:01:59  ( -65.77,  49.78)    0.88                63
 08/26/2021   21:49:56   (  59.89,-137.88) 08/26/2021   21:49:45  (  59.89,-137.90)    0.80                11
 08/29/2021   13:17:18   ( -65.98, 165.48) 08/29/2021   13:18:31  ( -65.98, 165.45)    1.85                73
 08/29/2021   14:06:39   (  61.28, -22.97) 08/29/2021   14:06:37  (  61.28, -22.97)    0.28                 2
 09/01/2021   05:39:41   ( -81.19,-143.03) 09/01/2021   05:40:54  ( -81.73,-142.34)   61.00                73
 09/01/2021   06:23:17   (  62.39,  92.10) 09/01/2021   06:23:24  (  62.38,  92.10)    0.09                 7
 09/01/2021   07:11:51   ( -55.14, -95.70) 09/01/2021   07:10:44  ( -55.14, -95.70)    0.21                67
 09/03/2021   22:39:52   (  63.38,-152.80) 09/03/2021   22:40:08  (  63.38,-152.81)    0.19                16
 09/03/2021   23:28:33   ( -56.55,  19.43) 09/03/2021   23:27:35  ( -56.55,  19.42)    0.70                58
 09/06/2021   14:56:24   (  64.15, -37.55) 09/06/2021   14:56:49  (  64.15, -37.57)    0.70                25