Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 3 8.  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)
 03/10/2020   19:43:57   ( -68.82,  63.14) 03/10/2020   19:44:37  ( -68.84,  63.14)    1.38                40
 03/10/2020   20:34:40   (  68.70,-129.38) 03/10/2020   20:34:04  (  68.72,-129.36)    3.00                36
 03/13/2020   12:00:21   ( -68.85, 179.01) 03/13/2020   12:01:04  ( -68.85, 179.04)    1.36                43
 03/13/2020   12:51:04   (  68.73, -13.51) 03/13/2020   12:50:31  (  68.73, -13.46)    2.08                33
 03/16/2020   04:16:46   ( -68.88, -65.13) 03/16/2020   04:17:32  ( -68.86, -65.06)    3.48                46
 03/16/2020   05:07:28   (  68.70, 102.42) 03/16/2020   05:06:59  (  68.73, 102.43)    3.19                29
 03/16/2020   05:57:52   ( -67.64, -88.91) 03/16/2020   05:56:46  ( -67.69, -91.18)   96.32                66
 03/18/2020   20:33:10   ( -68.85,  50.81) 03/18/2020   20:34:00  ( -68.86,  50.83)    1.41                50
 03/18/2020   21:23:53   (  68.74,-141.72) 03/18/2020   21:23:27  (  68.73,-141.68)    1.72                26
 03/18/2020   22:14:19   ( -67.78,  26.83) 03/18/2020   22:13:11  ( -67.86,  24.91)   81.39                68
 03/21/2020   12:49:35   ( -68.88, 166.67) 03/21/2020   12:50:28  ( -68.86, 166.72)    2.96                53
 03/21/2020   13:40:17   (  68.72, -25.79) 03/21/2020   13:39:55  (  68.73, -25.79)    1.87                22
 03/21/2020   14:30:45   ( -67.91, 142.56) 03/21/2020   14:29:36  ( -67.98, 140.93)   68.68                69