Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 8 5.  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)
 08/05/2020   05:17:42   (  68.99,  99.85) 08/05/2020   05:18:44  (  69.01,  99.88)    2.42                62
 08/05/2020   06:08:23   ( -68.85, -92.64) 08/05/2020   06:08:15  ( -68.83, -92.71)    3.15                 8
 08/05/2020   06:58:59   (  68.34,  75.34) 08/05/2020   06:57:48  (  68.40,  74.40)   39.12                71
 08/07/2020   21:34:05   (  68.99,-144.23) 08/07/2020   21:35:13  (  69.01,-144.24)    2.37                68
 08/07/2020   22:24:47   ( -68.90,  23.20) 08/07/2020   22:24:43  ( -68.89,  23.25)    2.24                 4
 08/07/2020   23:15:26   (  68.56,-169.02) 08/07/2020   23:14:13  (  68.62,-169.44)   18.69                73
 08/10/2020   13:50:29   (  69.09, -28.47) 08/10/2020   13:51:40  (  69.06, -28.29)    7.86                71
 08/10/2020   14:41:09   ( -68.90, 139.11) 08/10/2020   14:41:11  ( -68.90, 139.13)    0.99                 2
 08/10/2020   15:31:51   (  68.72, -53.32) 08/10/2020   15:30:39  (  68.73, -53.43)    4.65                72
 08/13/2020   06:06:56   (  69.31,  87.15) 08/13/2020   06:08:06  (  69.22,  87.80)   27.37                70
 08/13/2020   06:57:32   ( -68.90,-104.97) 08/13/2020   06:57:40  ( -68.89,-104.99)    0.99                 8
 08/13/2020   07:48:15   (  68.77,  62.52) 08/13/2020   07:47:07  (  68.78,  62.52)    1.57                68
 08/15/2020   22:23:22   (  69.47,-157.17) 08/15/2020   22:24:32  (  69.38,-156.11)   42.53                70
 08/15/2020   23:13:55   ( -68.90,  10.94) 08/15/2020   23:14:09  ( -68.89,  10.89)    2.43                14
 08/16/2020   00:04:38   (  68.77, 178.43) 08/16/2020   00:03:36  (  68.78, 178.39)    1.85                62
 08/18/2020   14:39:49   (  69.68, -41.57) 08/18/2020   14:40:57  (  69.59, -39.94)   63.63                68
 08/18/2020   15:30:19   ( -68.96, 126.77) 08/18/2020   15:30:37  ( -68.94, 126.83)    3.08                18
 08/18/2020   16:21:02   (  68.82, -65.73) 08/18/2020   16:20:04  (  68.82, -65.67)    2.34                58