Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 10 15.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/15/2019   09:18:17   ( -69.45,-141.34) 10/15/2019   09:19:27  ( -69.29,-140.11)   51.13                70
 10/15/2019   10:08:51   (  68.81,  26.85) 10/15/2019   10:09:01  (  68.80,  26.90)    2.74                10
 10/15/2019   10:59:32   ( -68.69,-165.67) 10/15/2019   10:58:31  ( -68.69,-165.61)    2.81                61
 10/18/2019   01:34:44   ( -69.49, -25.52) 10/18/2019   01:35:54  ( -69.38, -24.12)   56.01                70
 10/18/2019   02:25:16   (  68.76, 142.81) 10/18/2019   02:25:30  (  68.77, 142.74)    3.07                14
 10/18/2019   03:15:58   ( -68.69, -49.77) 10/18/2019   03:15:00  ( -68.66, -49.76)    2.60                58
 10/20/2019   17:51:12   ( -69.59,  90.23) 10/20/2019   17:52:21  ( -69.46,  91.87)   65.42                69
 10/20/2019   18:41:43   (  68.81,-101.37) 10/20/2019   18:41:58  (  68.79,-101.35)    2.39                15
 10/20/2019   19:32:24   ( -68.68,  66.12) 10/20/2019   19:31:28  ( -68.69,  66.15)    1.70                56
 10/23/2019   10:07:39   ( -69.69,-154.03) 10/23/2019   10:08:47  ( -69.54,-152.15)   74.87                68
 10/23/2019   10:58:08   (  68.82,  14.52) 10/23/2019   10:58:25  (  68.81,  14.55)    1.46                17
 10/23/2019   11:48:49   ( -68.68,-177.98) 10/23/2019   11:47:56  ( -68.66,-178.01)    2.28                53
 10/26/2019   02:24:06   ( -69.74, -38.22) 10/26/2019   02:25:13  ( -69.67, -36.10)   82.16                67
 10/26/2019   03:14:34   (  68.82, 130.40) 10/26/2019   03:14:53  (  68.83, 130.45)    2.15                19
 10/26/2019   04:05:15   ( -68.67, -62.09) 10/26/2019   04:04:24  ( -68.68, -62.11)    0.83                51
 10/28/2019   18:40:34   ( -69.85,  77.52) 10/28/2019   18:41:40  ( -69.74,  79.88)   91.42                66
 10/28/2019   19:31:00   (  68.82,-113.71) 10/28/2019   19:31:21  (  68.84,-113.66)    2.80                21
 10/28/2019   20:21:41   ( -68.67,  53.80) 10/28/2019   20:20:52  ( -68.69,  53.79)    1.90                49