Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 3 13.  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)
 03/13/2022   12:27:38   ( -71.10, 172.86) 03/13/2022   12:28:36  ( -71.12, 172.93)    2.96                58
 03/13/2022   13:18:23   (  70.96, -19.60) 03/13/2022   13:18:04  (  70.97, -19.66)    2.31                19
 03/13/2022   14:08:53   ( -70.24, 148.89) 03/13/2022   14:07:44  ( -70.30, 146.97)   72.41                69
 03/16/2022   03:54:48   (  71.09, 121.11) 03/16/2022   03:55:33  (  71.10, 121.14)    1.56                45
 03/16/2022   04:45:30   ( -70.99, -71.41) 03/16/2022   04:45:03  ( -70.98, -71.41)    1.47                27
 03/18/2022   19:21:55   ( -71.12,  69.30) 03/18/2022   19:22:32  ( -71.10,  69.38)    3.47                37
 03/18/2022   20:12:40   (  70.99,-123.17) 03/18/2022   20:11:59  (  71.00,-123.13)    1.69                41
 03/21/2022   10:49:03   (  71.07,  17.61) 03/21/2022   10:49:28  (  71.05,  17.55)    3.26                25
 03/21/2022   11:39:45   ( -70.97,-174.89) 03/21/2022   11:38:57  ( -70.99,-174.91)    2.78                48
 03/24/2022   01:25:39   (  71.78, 157.27) 03/24/2022   01:26:47  (  71.69, 159.19)   67.41                68
 03/24/2022   02:16:10   ( -71.11, -34.20) 03/24/2022   02:16:26  ( -71.09, -34.15)    2.16                16
 03/24/2022   03:06:55   (  70.98, 133.32) 03/24/2022   03:05:53  (  70.98, 133.32)    0.19                62
 03/26/2022   16:52:40   ( -71.50, 106.03) 03/26/2022   16:53:51  ( -71.39, 106.93)   34.12                71
 03/26/2022   17:43:19   (  71.08, -85.91) 03/26/2022   17:43:22  (  71.06, -85.95)    1.72                 3
 03/26/2022   18:34:01   ( -70.96,  81.60) 03/26/2022   18:32:52  ( -70.96,  81.52)    2.82                69