Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 2 2.  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)
 02/02/2020   07:03:32   (  68.81,  73.21) 02/02/2020   07:04:03  (  68.80,  73.19)    0.99                31
 02/02/2020   07:54:13   ( -68.71,-119.34) 02/02/2020   07:53:33  ( -68.69,-119.32)    2.43                40
 02/04/2020   23:19:57   (  68.82,-170.90) 02/04/2020   23:20:35  (  68.84,-170.90)    3.08                38
 02/05/2020   00:10:38   ( -68.71,  -3.44) 02/05/2020   00:10:05  ( -68.73,  -3.41)    2.88                33
 02/07/2020   15:36:21   (  68.82, -55.01) 02/07/2020   15:37:07  (  68.82, -55.06)    2.28                46
 02/07/2020   16:27:02   ( -68.71, 112.46) 02/07/2020   16:26:37  ( -68.72, 112.44)    1.40                25
 02/10/2020   07:52:47   (  68.88,  60.81) 02/10/2020   07:53:39  (  68.86,  60.84)    3.01                52
 02/10/2020   08:43:28   ( -68.76,-131.71) 02/10/2020   08:43:09  ( -68.76,-131.65)    2.35                19
 02/10/2020   09:33:57   (  67.85,  36.78) 02/10/2020   09:32:49  (  67.92,  34.98)   75.37                68
 02/13/2020   00:09:12   (  68.89, 176.71) 02/13/2020   00:10:11  (  68.89, 176.74)    1.50                59
 02/13/2020   00:59:53   ( -68.76, -15.81) 02/13/2020   00:59:42  ( -68.73, -15.81)    3.00                11
 02/13/2020   01:50:27   (  68.13, 152.33) 02/13/2020   01:49:17  (  68.17, 151.14)   49.28                70
 02/15/2020   16:25:37   (  68.89, -67.40) 02/15/2020   16:26:43  (  68.91, -67.36)    2.83                66
 02/15/2020   17:16:18   ( -68.76, 100.10) 02/15/2020   17:16:14  ( -68.77, 100.09)    0.63                 4
 02/15/2020   18:06:57   (  68.40, -92.12) 02/15/2020   18:05:45  (  68.42, -92.69)   23.30                72