Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2022 10 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)
 10/13/2022   08:24:14   ( -72.64,-127.13) 10/13/2022   08:25:24  ( -72.56,-125.86)   43.30                70
 10/13/2022   09:14:51   (  72.16,  41.14) 10/13/2022   09:14:56  (  72.19,  41.12)    2.99                 5
 10/13/2022   10:05:35   ( -72.12,-151.47) 10/13/2022   10:04:22  ( -72.10,-151.39)    3.37                73
 10/15/2022   23:00:21   ( -72.21,  14.69) 10/15/2022   23:00:45  ( -72.22,  14.69)    0.33                24
 10/15/2022   23:51:05   (  72.09,-177.76) 10/15/2022   23:50:12  (  72.11,-177.86)    3.78                53
 10/18/2022   12:45:52   (  72.25, -11.72) 10/18/2022   12:46:34  (  72.25, -11.72)    0.67                42
 10/18/2022   13:36:35   ( -72.16, 155.77) 10/18/2022   13:36:00  ( -72.17, 155.78)    1.86                35
 10/21/2022   02:31:20   ( -72.27, -38.11) 10/21/2022   02:32:21  ( -72.30, -38.12)    3.06                61
 10/21/2022   03:22:05   (  72.19, 129.35) 10/21/2022   03:21:48  (  72.17, 129.31)    2.47                17
 10/21/2022   04:12:33   ( -71.34, -61.74) 10/21/2022   04:11:27  ( -71.40, -64.35)   92.92                66
 10/23/2022   16:16:56   (  72.57, -65.07) 10/23/2022   16:18:07  (  72.43, -64.35)   28.51                71
 10/23/2022   17:07:34   ( -72.23, 102.93) 10/23/2022   17:07:36  ( -72.20, 102.89)    3.21                 2
 10/23/2022   17:58:16   (  72.00, -89.31) 10/23/2022   17:57:03  (  72.07, -89.70)   15.70                73
 10/26/2022   06:53:04   (  72.23,  76.58) 10/26/2022   06:53:23  (  72.25,  76.50)    3.49                19
 10/26/2022   07:43:48   ( -72.20,-116.04) 10/26/2022   07:42:49  ( -72.19,-115.96)    2.98                59