Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 4 3.  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)
 04/03/2020   22:11:35   ( -68.91,  26.16) 04/03/2020   22:12:43  ( -68.91,  26.22)    2.43                68
 04/03/2020   23:02:17   (  68.73,-166.28) 04/03/2020   23:02:11  (  68.74,-166.35)    3.47                 6
 04/03/2020   23:52:56   ( -68.48,   1.36) 04/03/2020   23:51:43  ( -68.53,   1.01)   15.10                73
 04/06/2020   14:27:59   ( -68.90, 142.08) 04/06/2020   14:29:11  ( -68.88, 142.06)    2.54                72
 04/06/2020   15:18:41   (  68.77, -50.43) 04/06/2020   15:18:37  (  68.76, -50.44)    0.46                 4
 04/06/2020   16:09:21   ( -68.58, 117.14) 04/06/2020   16:08:08  ( -68.60, 117.00)    6.55                73
 04/09/2020   06:44:24   ( -69.00,-102.15) 04/09/2020   06:45:36  ( -68.95,-101.96)    9.51                72
 04/09/2020   07:35:05   (  68.76,  65.48) 04/09/2020   07:35:04  (  68.78,  65.47)    2.12                 1
 04/09/2020   08:25:47   ( -68.67,-127.08) 04/09/2020   08:24:34  ( -68.68,-127.02)    2.43                73
 04/11/2020   23:00:50   ( -69.10,  13.61) 04/11/2020   23:02:02  ( -69.02,  14.02)   18.44                72
 04/11/2020   23:51:30   (  68.81,-178.67) 04/11/2020   23:51:31  (  68.79,-178.63)    2.82                 1
 04/12/2020   00:42:11   ( -68.67, -11.17) 04/12/2020   00:41:01  ( -68.69, -11.12)    2.75                70
 04/14/2020   15:17:16   ( -69.20, 129.38) 04/14/2020   15:18:28  ( -69.08, 129.98)   27.70                72
 04/14/2020   16:07:54   (  68.80, -62.76) 04/14/2020   16:07:58  (  68.79, -62.74)    1.65                 4
 04/14/2020   16:58:35   ( -68.66, 104.74) 04/14/2020   16:57:28  ( -68.69, 104.77)    3.18                67