Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 4 27.  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)
 04/28/2020   00:39:23   ( -69.69, -11.80) 04/28/2020   00:40:31  ( -69.62,  -9.85)   76.00                68
 04/28/2020   01:29:52   (  68.79, 156.79) 04/28/2020   01:30:11  (  68.80, 156.73)    2.96                19
 04/28/2020   02:20:33   ( -68.68, -35.75) 04/28/2020   02:19:41  ( -68.68, -35.79)    1.59                52
 04/30/2020   16:55:49   ( -69.80, 103.95) 04/30/2020   16:56:56  ( -69.72, 106.18)   86.44                67
 04/30/2020   17:46:17   (  68.84, -87.38) 04/30/2020   17:46:37  (  68.84, -87.33)    1.95                20
 04/30/2020   18:36:57   ( -68.69,  80.16) 04/30/2020   18:36:08  ( -68.67,  80.09)    3.38                49
 05/03/2020   09:12:15   ( -69.92,-140.31) 05/03/2020   09:13:21  ( -69.81,-137.80)   96.86                66
 05/03/2020   10:02:40   (  68.80,  28.59) 05/03/2020   10:03:04  (  68.82,  28.53)    3.46                24
 05/03/2020   10:53:21   ( -68.69,-163.94) 05/03/2020   10:52:34  ( -68.71,-163.97)    1.94                47
 05/06/2020   02:19:04   (  68.86, 144.42) 05/06/2020   02:19:29  (  68.85, 144.47)    1.99                25
 05/06/2020   03:09:44   ( -68.70, -48.05) 05/06/2020   03:09:00  ( -68.68, -48.11)    2.90                44
 05/08/2020   18:35:27   (  68.81, -99.61) 05/08/2020   18:35:56  (  68.82, -99.68)    2.85                29
 05/08/2020   19:26:08   ( -68.71,  67.85) 05/08/2020   19:25:26  ( -68.72,  67.82)    1.39                42