Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 12.  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)
 02/12/2022   12:10:33   (  70.87,  -2.72) 02/12/2022   12:10:54  (  70.89,  -2.76)    2.38                21
 02/12/2022   13:01:16   ( -70.79, 164.74) 02/12/2022   13:00:24  ( -70.77, 164.69)    2.79                52
 02/15/2022   02:47:07   (  71.43, 137.25) 02/15/2022   02:48:17  (  71.33, 138.53)   47.11                70
 02/15/2022   03:37:41   ( -70.88, -54.49) 02/15/2022   03:37:53  ( -70.88, -54.53)    1.58                12
 02/15/2022   04:28:26   (  70.78, 112.98) 02/15/2022   04:27:20  (  70.78, 112.96)    0.96                66
 02/17/2022   18:14:09   ( -71.13,  86.01) 02/17/2022   18:15:20  ( -71.09,  86.40)   14.40                71
 02/17/2022   19:04:51   (  70.87,-106.25) 02/17/2022   19:04:49  (  70.88,-106.29)    1.79                 2
 02/17/2022   19:55:32   ( -70.69,  61.37) 02/17/2022   19:54:20  ( -70.71,  61.09)   10.84                72
 02/20/2022   09:41:16   (  70.97,  34.52) 02/20/2022   09:42:18  (  70.96,  34.44)    2.82                62
 02/20/2022   10:31:59   ( -70.89,-158.04) 02/20/2022   10:31:47  ( -70.90,-158.01)    1.69                12
 02/20/2022   11:22:33   (  70.21,  10.37) 02/20/2022   11:21:24  (  70.24,   8.66)   64.73                69
 02/23/2022   01:08:23   ( -70.99, -17.28) 02/23/2022   01:09:15  ( -70.97, -17.30)    1.73                52
 02/23/2022   01:59:08   (  70.88, 150.20) 02/23/2022   01:58:42  (  70.86, 150.18)    2.58                26
 02/25/2022   16:35:33   (  70.99, -69.05) 02/25/2022   16:36:10  (  70.97, -69.04)    1.59                37
 02/25/2022   17:26:15   ( -70.86,  98.48) 02/25/2022   17:25:40  ( -70.87,  98.42)    1.98                35