Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 6 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)
 06/13/2022   21:53:26   (  71.57,-148.60) 06/13/2022   21:54:08  (  71.58,-148.53)    2.62                42
 06/13/2022   22:44:09   ( -71.48,  18.88) 06/13/2022   22:43:38  ( -71.46,  18.90)    2.61                31
 06/16/2022   13:20:30   ( -71.58, 159.65) 06/16/2022   13:21:08  ( -71.56, 159.66)    2.21                38
 06/16/2022   14:11:14   (  71.44, -32.80) 06/16/2022   14:10:35  (  71.46, -32.85)    2.93                39
 06/19/2022   04:47:34   (  71.54, 107.97) 06/19/2022   04:48:04  (  71.55, 107.88)    3.04                30
 06/19/2022   05:38:17   ( -71.46, -84.57) 06/19/2022   05:37:33  ( -71.48, -84.59)    3.15                44
 06/21/2022   20:14:38   ( -71.56,  56.19) 06/21/2022   20:15:03  ( -71.56,  56.13)    1.99                25
 06/21/2022   21:05:23   (  71.47,-136.34) 06/21/2022   21:04:30  (  71.45,-136.40)    2.79                53
 06/24/2022   10:51:14   ( -72.43,-164.54) 06/24/2022   10:52:20  ( -72.32,-161.96)   87.71                66
 06/24/2022   11:41:44   (  71.58,   4.41) 06/24/2022   11:41:59  (  71.57,   4.39)    1.52                15
 06/24/2022   12:32:27   ( -71.50, 171.87) 06/24/2022   12:31:28  ( -71.51, 171.93)    2.44                59
 06/27/2022   02:18:13   (  72.10, 144.38) 06/27/2022   02:19:22  (  71.99, 145.70)   46.87                69
 06/27/2022   03:08:48   ( -71.61, -47.38) 06/27/2022   03:08:57  ( -71.61, -47.30)    2.77                 9
 06/27/2022   03:59:33   (  71.51, 120.09) 06/27/2022   03:58:24  (  71.50, 120.16)    2.70                69