Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 3 29.  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)
 03/29/2020   13:38:46   ( -68.88, 154.38) 03/29/2020   13:39:48  ( -68.90, 154.43)    2.96                62
 03/29/2020   14:29:29   (  68.76, -38.13) 03/29/2020   14:29:16  (  68.74, -38.13)    1.95                13
 03/29/2020   15:20:03   ( -68.24, 129.87) 03/29/2020   15:18:52  ( -68.30, 128.96)   37.83                71
 04/01/2020   05:55:10   ( -68.87, -89.69) 04/01/2020   05:56:16  ( -68.89, -89.70)    2.32                66
 04/01/2020   06:45:54   (  68.79,  77.73) 04/01/2020   06:45:43  (  68.77,  77.80)    3.63                11
 04/01/2020   07:36:30   ( -68.38,-114.41) 04/01/2020   07:35:17  ( -68.44,-114.97)   24.00                73
 04/03/2020   22:11:35   ( -68.90,  26.17) 04/03/2020   22:12:43  ( -68.92,  26.23)    3.14                68
 04/03/2020   23:02:18   (  68.77,-166.35) 04/03/2020   23:02:11  (  68.75,-166.34)    2.92                 7
 04/03/2020   23:52:56   ( -68.47,   1.38) 04/03/2020   23:51:43  ( -68.53,   1.02)   16.08                73
 04/06/2020   14:27:59   ( -68.88, 142.10) 04/06/2020   14:29:11  ( -68.89, 142.08)    1.55                72
 04/06/2020   15:18:42   (  68.75, -50.42) 04/06/2020   15:18:38  (  68.77, -50.42)    2.24                 4
 04/06/2020   16:09:22   ( -68.56, 117.17) 04/06/2020   16:08:10  ( -68.56, 116.95)    8.73                72
 04/09/2020   06:44:25   ( -69.02,-102.19) 04/09/2020   06:45:36  ( -68.98,-101.92)   11.90                71
 04/09/2020   07:35:06   (  68.79,  65.44) 04/09/2020   07:35:04  (  68.80,  65.50)    2.63                 2
 04/09/2020   08:25:47   ( -68.65,-127.05) 04/09/2020   08:24:35  ( -68.65,-127.06)    0.41                72
 04/11/2020   23:00:51   ( -69.11,  13.59) 04/11/2020   23:02:02  ( -69.06,  14.07)   20.01                71
 04/11/2020   23:51:30   (  68.77,-178.63) 04/11/2020   23:51:32  (  68.77,-178.65)    1.03                 2
 04/12/2020   00:42:12   ( -68.68, -11.19) 04/12/2020   00:41:02  ( -68.67, -11.14)    2.43                70