Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 6 6.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/06/2019   23:20:10   (  70.53,-173.23) 06/06/2019   23:20:42  (  70.51,-173.20)    2.71                32
 06/07/2019   00:10:51   ( -70.41,  -5.72) 06/07/2019   00:10:12  ( -70.40,  -5.73)    1.30                39
 06/09/2019   15:36:36   (  70.52, -57.33) 06/09/2019   15:37:11  (  70.53, -57.30)    1.15                35
 06/09/2019   16:27:17   ( -70.40, 110.19) 06/09/2019   16:26:41  ( -70.42, 110.18)    2.69                36
 06/12/2019   07:53:03   (  70.51,  58.57) 06/12/2019   07:53:41  (  70.54,  58.60)    3.07                38
 06/12/2019   08:43:45   ( -70.43,-133.98) 06/12/2019   08:43:11  ( -70.43,-133.92)    2.11                34
 06/15/2019   00:09:30   (  70.50, 174.48) 06/15/2019   00:10:12  (  70.49, 174.41)    2.61                42
 06/15/2019   01:00:12   ( -70.41, -18.07) 06/15/2019   00:59:42  ( -70.39, -18.11)    2.94                30
 06/17/2019   16:25:57   (  70.49, -69.62) 06/17/2019   16:26:42  (  70.50, -69.70)    3.09                45
 06/17/2019   17:16:39   ( -70.39,  97.84) 06/17/2019   17:16:12  ( -70.40,  97.78)    2.29                27
 06/20/2019   08:42:24   (  70.53,  46.20) 06/20/2019   08:43:11  (  70.50,  46.18)    3.19                47
 06/20/2019   09:33:06   ( -70.43,-146.33) 06/20/2019   09:32:41  ( -70.40,-146.33)    3.10                25