Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 6 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)
 06/29/2022   17:45:11   ( -71.88,  93.07) 06/29/2022   17:46:23  ( -71.80,  93.62)   21.10                72
 06/29/2022   18:35:53   (  71.61, -99.14) 06/29/2022   18:35:52  (  71.60, -99.08)    2.90                 1
 06/29/2022   19:26:35   ( -71.50,  68.38) 06/29/2022   19:25:21  ( -71.53,  68.44)    3.41                74
 07/02/2022   09:12:12   (  71.68,  41.68) 07/02/2022   09:13:20  (  71.67,  41.65)    1.80                68
 07/02/2022   10:02:55   ( -71.62,-150.89) 07/02/2022   10:02:49  ( -71.60,-150.83)    2.96                 6
 07/02/2022   10:53:32   (  71.09,  17.35) 07/02/2022   10:52:22  (  71.18,  16.13)   45.02                70
 07/05/2022   00:39:15   ( -71.69, -10.07) 07/05/2022   00:40:18  ( -71.67, -10.12)    2.97                63
 07/05/2022   01:30:00   (  71.58, 157.44) 07/05/2022   01:29:45  (  71.57, 157.36)    3.08                15
 07/05/2022   02:20:32   ( -70.95, -34.14) 07/05/2022   02:19:23  ( -71.02, -35.89)   63.72                69
 07/07/2022   16:06:21   (  71.71, -61.85) 07/07/2022   16:07:13  (  71.68, -61.86)    3.21                52
 07/07/2022   16:57:03   ( -71.60, 105.67) 07/07/2022   16:56:42  ( -71.62, 105.67)    2.28                21
 07/10/2022   07:33:24   ( -71.72,-113.61) 07/10/2022   07:34:10  ( -71.72,-113.55)    2.26                46
 07/10/2022   08:24:09   (  71.61,  53.90) 07/10/2022   08:23:37  (  71.61,  53.91)    0.55                32
 07/12/2022   23:00:28   (  71.69,-165.30) 07/12/2022   23:01:04  (  71.70,-165.33)    1.51                36
 07/12/2022   23:51:11   ( -71.63,   2.12) 07/12/2022   23:50:33  ( -71.64,   2.21)    3.25                38