Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2020 4 14.  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)
 04/15/2020   03:18:56   ( -67.55, 174.46) 04/15/2020   03:19:11  ( -67.55, 174.45)    0.09                15
 04/15/2020   04:08:31   (  71.17, -13.01) 04/15/2020   04:07:31  (  71.17, -13.07)    2.62                60
 04/17/2020   19:35:33   ( -66.85, -70.46) 04/17/2020   19:35:52  ( -66.86, -70.42)    1.67                19
 04/17/2020   20:25:04   (  70.71, 102.12) 04/17/2020   20:24:08  (  70.71, 102.09)    1.06                56
 04/20/2020   11:51:49   ( -67.29,  45.96) 04/20/2020   11:52:13  ( -67.28,  45.92)    1.96                24
 04/20/2020   12:41:36   (  70.30,-142.64) 04/20/2020   12:40:44  (  70.29,-142.64)    0.11                52
 04/23/2020   04:08:21   ( -66.80, 161.30) 04/23/2020   04:08:49  ( -66.80, 161.28)    1.22                28
 04/23/2020   04:58:04   (  70.04, -27.14) 04/23/2020   04:57:16  (  70.04, -27.13)    0.40                48
 04/25/2020   20:24:52   ( -66.43, -83.21) 04/25/2020   20:25:24  ( -66.42, -83.23)    1.00                32