Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 5 17.  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   ( -71.42, 176.46) 05/18/2022   12:14:19  ( -71.42, 176.40)    2.13                60
 05/18/2022   13:04:03   (  71.31, -16.04) 05/18/2022   13:03:46  (  71.32, -16.12)    3.22                17
 05/18/2022   13:54:34   ( -70.57, 152.53) 05/18/2022   13:53:26  ( -70.65, 150.49)   76.03                68
 05/21/2022   03:40:24   (  71.41, 124.72) 05/21/2022   03:41:12  (  71.42, 124.65)    2.95                48
 05/21/2022   04:31:08   ( -71.34, -67.84) 05/21/2022   04:30:41  ( -71.35, -67.82)    1.90                27
 05/23/2022   19:07:30   ( -71.44,  72.91) 05/23/2022   19:08:08  ( -71.43,  72.92)    0.77                38
 05/23/2022   19:58:14   (  71.34,-119.59) 05/23/2022   19:57:35  (  71.33,-119.61)    1.25                39
 05/26/2022   10:34:36   (  71.44,  21.16) 05/26/2022   10:35:01  (  71.44,  21.18)    1.17                25
 05/26/2022   11:25:19   ( -71.32,-171.31) 05/26/2022   11:24:31  ( -71.32,-171.37)    2.14                48
 05/29/2022   01:11:10   (  72.17, 160.74) 05/29/2022   01:12:17  (  72.06, 162.85)   73.07                67
 05/29/2022   02:01:41   ( -71.43, -30.57) 05/29/2022   02:01:57  ( -71.41, -30.62)    2.94                16
 05/29/2022   02:52:25   (  71.33, 136.93) 05/29/2022   02:51:23  (  71.35, 136.93)    2.37                62