Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 16.  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)
 05/18/2022   12:13:19   ( -71.43, 176.43) 05/18/2022   12:14:19  ( -71.41, 176.38)    3.15                60
 05/18/2022   13:04:03   (  71.32, -16.07) 05/18/2022   13:03:46  (  71.31, -16.14)    3.06                17
 05/18/2022   13:54:34   ( -70.58, 152.51) 05/18/2022   13:53:26  ( -70.64, 150.47)   75.54                68
 05/21/2022   03:40:25   (  71.42, 124.70) 05/21/2022   03:41:13  (  71.41, 124.64)    2.24                48
 05/21/2022   04:31:09   ( -71.35, -67.87) 05/21/2022   04:30:42  ( -71.35, -67.83)    1.53                27
 05/23/2022   19:07:30   ( -71.46,  72.89) 05/23/2022   19:08:08  ( -71.44,  72.92)    2.30                38
 05/23/2022   19:58:14   (  71.35,-119.62) 05/23/2022   19:57:35  (  71.33,-119.61)    2.51                39
 05/26/2022   10:34:36   (  71.46,  21.13) 05/26/2022   10:35:01  (  71.45,  21.20)    2.81                25
 05/26/2022   11:25:19   ( -71.34,-171.34) 05/26/2022   11:24:31  ( -71.34,-171.34)    0.42                48
 05/29/2022   01:11:10   (  72.19, 160.70) 05/29/2022   01:12:17  (  72.10, 162.90)   75.74                67
 05/29/2022   02:01:41   ( -71.45, -30.60) 05/29/2022   02:01:57  ( -71.45, -30.56)    1.27                16
 05/29/2022   02:52:25   (  71.35, 136.89) 05/29/2022   02:51:24  (  71.33, 136.90)    1.86                61