Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 4 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)
 04/30/2020   16:55:50   ( -69.83, 103.91) 04/30/2020   16:56:57  ( -69.68, 106.13)   87.15                67
 04/30/2020   17:46:16   (  68.81, -87.34) 04/30/2020   17:46:37  (  68.80, -87.37)    1.74                21
 04/30/2020   18:36:57   ( -68.71,  80.12) 04/30/2020   18:36:07  ( -68.69,  80.11)    2.88                50
 05/03/2020   09:12:14   ( -69.89,-140.27) 05/03/2020   09:13:20  ( -69.82,-137.78)   95.48                66
 05/03/2020   10:02:40   (  68.82,  28.56) 05/03/2020   10:03:03  (  68.83,  28.55)    1.95                23
 05/03/2020   10:53:21   ( -68.72,-163.98) 05/03/2020   10:52:33  ( -68.72,-163.96)    0.94                48
 05/06/2020   02:19:04   (  68.82, 144.47) 05/06/2020   02:19:30  (  68.80, 144.41)    3.32                26
 05/06/2020   03:09:45   ( -68.72, -48.08) 05/06/2020   03:08:59  ( -68.75, -48.03)    3.33                46
 05/08/2020   18:35:28   (  68.83, -99.63) 05/08/2020   18:35:56  (  68.82, -99.68)    2.16                28
 05/08/2020   19:26:09   ( -68.72,  67.83) 05/08/2020   19:25:26  ( -68.71,  67.82)    1.74                43
 05/11/2020   10:51:51   (  68.83,  16.27) 05/11/2020   10:52:21  (  68.83,  16.23)    1.72                30
 05/11/2020   11:42:32   ( -68.73,-176.27) 05/11/2020   11:41:51  ( -68.72,-176.27)    0.85                41