Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 12 24.  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)
 12/24/2019   13:17:10   (  68.97,-153.61) 12/24/2019   13:17:46  (  68.96,-153.66)    2.30                36
 12/24/2019   14:07:03   ( -71.72,  18.06) 12/24/2019   14:06:23  ( -71.72,  18.02)    1.46                40
 12/27/2019   05:33:57   (  67.79, -39.23) 12/27/2019   05:34:36  (  67.80, -39.19)    2.16                39
 12/27/2019   06:23:31   ( -71.58, 133.70) 12/27/2019   06:22:55  ( -71.57, 133.67)    1.27                36
 12/29/2019   21:50:23   (  67.75,  76.61) 12/29/2019   21:51:06  (  67.75,  76.64)    1.53                43
 12/29/2019   22:39:59   ( -71.43,-110.66) 12/29/2019   22:39:27  ( -71.43,-110.70)    1.33                32
 01/01/2020   14:06:49   (  67.70,-167.55) 01/01/2020   14:07:36  (  67.70,-167.53)    0.69                47
 01/01/2020   14:56:26   ( -71.34,   5.07) 01/01/2020   14:55:58  ( -71.33,   5.03)    1.64                28
 01/04/2020   06:23:12   (  67.76, -51.58) 01/04/2020   06:24:03  (  67.76, -51.59)    0.38                51
 01/04/2020   07:12:50   ( -71.34, 120.98) 01/04/2020   07:12:26  ( -71.34, 120.92)    2.20                24
 01/06/2020   22:39:35   (  67.87,  64.46) 01/06/2020   22:40:30  (  67.87,  64.42)    1.64                55