Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 2 4.  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)
 02/04/2022   13:49:05   ( -70.87, 152.60) 02/04/2022   13:50:02  ( -70.89, 152.51)    3.48                57
 02/04/2022   14:39:50   (  70.79, -39.96) 02/04/2022   14:39:29  (  70.79, -39.99)    1.46                21
 02/04/2022   15:30:19   ( -69.96, 128.68) 02/04/2022   15:29:11  ( -70.01, 126.51)   82.88                68
 02/07/2022   05:16:16   (  70.91, 100.76) 02/07/2022   05:16:59  (  70.88, 100.75)    3.25                43
 02/07/2022   06:06:59   ( -70.82, -91.77) 02/07/2022   06:06:28  ( -70.82, -91.71)    2.21                31
 02/09/2022   20:43:24   ( -70.89,  49.03) 02/09/2022   20:43:58  ( -70.91,  49.02)    1.49                34
 02/09/2022   21:34:09   (  70.80,-143.52) 02/09/2022   21:33:25  (  70.80,-143.49)    1.13                44
 02/12/2022   12:10:34   (  70.88,  -2.73) 02/12/2022   12:10:55  (  70.87,  -2.78)    2.43                21
 02/12/2022   13:01:17   ( -70.79, 164.74) 02/12/2022   13:00:24  ( -70.81, 164.76)    2.70                53
 02/15/2022   02:47:07   (  71.43, 137.25) 02/15/2022   02:48:17  (  71.31, 138.51)   46.81                70
 02/15/2022   03:37:41   ( -70.87, -54.48) 02/15/2022   03:37:53  ( -70.87, -54.54)    2.35                12
 02/15/2022   04:28:26   (  70.78, 112.98) 02/15/2022   04:27:20  (  70.76, 112.93)    2.76                66
 02/17/2022   18:14:09   ( -71.11,  86.04) 02/17/2022   18:15:20  ( -71.08,  86.39)   13.08                71
 02/17/2022   19:04:51   (  70.86,-106.23) 02/17/2022   19:04:49  (  70.86,-106.31)    2.79                 2
 02/17/2022   19:55:32   ( -70.67,  61.40) 02/17/2022   19:54:20  ( -70.70,  61.08)   12.15                72