Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2019 12 10.  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)
 12/10/2019   15:53:49   (  69.00, -59.64) 12/10/2019   15:55:01  (  68.93, -59.38)   12.91                72
 12/10/2019   16:44:28   ( -68.76, 107.99) 12/10/2019   16:44:32  ( -68.76, 108.04)    1.95                 4
 12/10/2019   17:35:11   (  68.62, -84.50) 12/10/2019   17:34:00  (  68.60, -84.51)    1.85                71
 12/13/2019   08:10:17   (  69.14,  56.06) 12/13/2019   08:11:28  (  69.03,  56.63)   25.73                71
 12/13/2019   09:00:53   ( -68.75,-136.09) 12/13/2019   09:01:01  ( -68.75,-136.09)    0.88                 8
 12/13/2019   09:51:36   (  68.60,  31.42) 12/13/2019   09:50:29  (  68.59,  31.35)    2.82                67
 12/16/2019   00:26:44   (  69.23, 171.83) 12/16/2019   00:27:55  (  69.13, 172.64)   33.93                71
 12/16/2019   01:17:18   ( -68.73, -20.17) 12/16/2019   01:17:30  ( -68.74, -20.22)    2.42                12
 12/16/2019   02:08:02   (  68.63, 147.27) 12/16/2019   02:06:57  (  68.63, 147.29)    0.86                65
 12/18/2019   16:43:11   (  69.37, -72.48) 12/18/2019   16:44:21  (  69.22, -71.36)   47.32                70
 12/18/2019   17:33:43   ( -68.77,  95.67) 12/18/2019   17:33:57  ( -68.78,  95.71)    2.24                14
 12/18/2019   18:24:26   (  68.62, -96.82) 12/18/2019   18:23:25  (  68.61, -96.85)    1.46                61
 12/21/2019   08:59:38   (  69.47,  43.28) 12/21/2019   09:00:47  (  69.37,  44.72)   57.33                69
 12/21/2019   09:50:08   ( -68.76,-148.42) 12/21/2019   09:50:26  ( -68.77,-148.42)    0.84                18
 12/21/2019   10:40:52   (  68.66,  19.03) 12/21/2019   10:39:53  (  68.65,  19.08)    2.34                59
 12/24/2019   01:16:05   (  69.56, 159.04) 12/24/2019   01:17:14  (  69.46, 160.72)   66.55                69