Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 15.  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)
 02/17/2022   18:14:09   ( -71.15,  85.97) 02/17/2022   18:15:20  ( -71.08,  86.37)   16.44                71
 02/17/2022   19:04:51   (  70.89,-106.27) 02/17/2022   19:04:49  (  70.87,-106.31)    2.77                 2
 02/17/2022   19:55:32   ( -70.71,  61.34) 02/17/2022   19:54:19  ( -70.75,  61.14)    8.25                73
 02/20/2022   09:41:16   (  70.98,  34.49) 02/20/2022   09:42:17  (  71.01,  34.52)    3.35                61
 02/20/2022   10:31:59   ( -70.91,-158.07) 02/20/2022   10:31:47  ( -70.89,-158.03)    2.47                12
 02/20/2022   11:22:33   (  70.23,  10.35) 02/20/2022   11:21:24  (  70.24,   8.65)   63.88                69
 02/23/2022   01:08:23   ( -70.96, -17.23) 02/23/2022   01:09:16  ( -70.98, -17.29)    3.01                53
 02/23/2022   01:59:08   (  70.85, 150.26) 02/23/2022   01:58:43  (  70.87, 150.19)    3.47                25
 02/25/2022   16:35:33   (  71.01, -69.08) 02/25/2022   16:36:10  (  71.00, -69.02)    2.69                37
 02/25/2022   17:26:15   ( -70.89,  98.44) 02/25/2022   17:25:40  ( -70.88,  98.45)    0.32                35
 02/28/2022   08:02:40   ( -70.99,-120.82) 02/28/2022   08:03:08  ( -71.00,-120.77)    2.05                28
 02/28/2022   08:53:25   (  70.88,  46.67) 02/28/2022   08:52:35  (  70.89,  46.70)    1.30                50